Question 4 of 10
2 Points
A trait is influenced by several genes. There are two alleles for each gene.
What is the best classification for the inheritance pattern of this trait?
O
A. It is determined by polygenetic inheritance,
O
O
B. It is determined by homozygous recessive alleles.
O
C. It is determined by incomplete dominance.
O
D. It is determined by multiple alleles for each gene.
SUBMIT

mRNA is:

B. an RNA copy of a DNA gene

Hope this helps!

Answer:

B. An RNA copy of a DNA gene

Answer:

Chimpanzees

Explanation:

Chimpanzees are much more closely related to humans in an evolutionary sense that cows are. Chimpanzees and humans are both primates, characterized by features like advanced cognition, grasping hands and feet, and front facing eyes. In contrast, cows belong to a different of bovine animals.

Because we are evolutionary more related to chimpanzees, that means our DNA has undergone less change over evolutionary time. That means that the sequence will be more similar to chimps

Two cells will finally be produced .If the parent cell has 2n chromosomes, each daughter cell will have n chromosomes.

1. How many cells will finally be produced?

Two cells will finally be produced.

2. How many chromosomes will be in each cell?

Each cell will have half the number of chromosomes as the parent cell. So, if the parent cell has 2n chromosomes, each daughter cell will have n chromosomes.

3. Sketch one of the final cells, showing its chromosomes.

Here is a sketch of one of the final cells, showing its chromosomes:

          +---+---+

           |   |   |

           |   |   |

           |   |   |

       +---+---+   +---+---+

       |   |   |   |   |   |

       |   |   |   |   |   |

       |   |   |   |   |   |

       +---+---+   +---+---+

This cell has 2n = 4 chromosomes. The chromosomes are arranged in homologous pairs.

The sister chromatids of each chromosome are attached at the centromere.

Additional information about the image:

The image you provided shows the sequence of events in a cell undergoing normal meiotic cell division.

The four diagrams represent the following stages:

Diagram 1: Prophase I. The homologous chromosomes pair up and form tetrads.

Crossing-over, the exchange of genetic material between homologous chromosomes, can occur during this stage.

Diagram 2: Metaphase I. The tetrads align on the metaphase plate.

Diagram 3: Anaphase I. The homologous chromosomes separate and move to opposite poles of the cell.

Diagram 4: Telophase I and cytokinesis. Two daughter cells are formed, each with a haploid set of chromosomes.

After meiosis I, the two daughter cells enter meiosis II. Meiosis II is similar to mitosis, but the sister chromatids of each chromosome separate.

This results in four haploid daughter cells.

Meiosis is essential for sexual reproduction.

It ensures that the offspring have the correct number of chromosomes and that there is genetic diversity in the population.

Nutritionists and doctors recommend not falling below 1,200 calories per day for women and 1,500 calories for men to maintain proper health and metabolism. Athletes may require more, up to 3,000 to 5,000 calories, depending on their level of activity. Balanced diets and avoiding very low-calorie diets are essential for metabolic health.

Nutritionists and doctors typically recommend that energy intake should not fall below certain thresholds to ensure adequate nutrition and maintain metabolic health. For women, the lower limit is often set around 1,200 calories per day, while for men it is typically around 1,500 calories per day. These numbers can vary based on the individual's body size, age, activity level, and other health-related factors.

The quality and quantity of the food consumed markedly affect one's metabolism. Energy-dense foods with poor nutritional quality, such as sugary drinks, can lead to weight gain and associated health issues. Nutritional needs increase with physical activity, and athletes, in particular, may require significantly more calories. For instance, competitive athletes often require between 3,000 to 5,000 calories daily, whereas a sedentary person may need only about 2,000 calories. Energy requirements further vary by gender; men generally have higher caloric needs than women due to greater muscle mass.

Regardless of caloric intake, it's crucial to consume a balanced diet rich in vegetables, fruits, whole grains, and lean proteins. It is also important to avoid extremely low-calorie diets, as they can substantially lower basal metabolic rate (BMR) and potentially harm health. Proper caloric consumption aids in maintaining body composition, supporting bodily functions, and ensuring adequate nutrient intake.

Final answer:

Nutritionists typically recommend that women should not consume fewer than 1200 calories per day and men not fewer than 1500 calories per day to ensure nutritional needs are met without adverse health effects. Quality and quantity of food intake are crucial in managing energy needs, which vary based on lifestyle, gender, and activity level.

Explanation:

Nutritionists and doctors typically advise against severe energy restrictions that fall below certain caloric thresholds. For normal daily activities, an average person requires between 1500 to 2000 calories. However, factors such as gender, age, weight, and physical activity level can influence individual energy needs. For instance, men generally need more calories than women due to higher muscle mass. It's important to maintain a balance and consume a diet that provides the quality and quantity of calories necessary to prevent both over-consumption and under-consumption. Over-consumption can lead to health issues such as cardiovascular disease, cancer, and diabetes, while under-consumption can dramatically reduce one's basal metabolic rate (BMR) and lead to other health problems.

Regarding the minimum calorie intake, health professionals generally do not recommend that women consume less than 1200 calories and men less than 1500 calories per day without medical supervision. This is to ensure that individuals still meet their nutritional needs without risking adverse effects on their metabolism and overall health.

In conclusion, a diet that includes a variety of vegetables, fruits, whole grains, and legumes, while limiting sugary drinks and energy-dense foods, is recommended. Additionally, energy needs are highly individualized and should be tailored to one's lifestyle, with discretionary calories adjusted based on activity level and age.

Answer:

osmosis

Explanation:

Movement of a solvent (such as water) through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane.

Answer:

The correct option is A) a male with one recessive allele

Explanation:

As we can depict, the offsprings are formed by a cross between a homozygous recessive parent and a heterozygous parent.

The outcomes of such a cross will be:

      r            r

R   Rr          Rr

r    rr            rr

The results from the cross show that the offsprings from such a cross will either have both recessive alleles and will have attached earlobes or they will be heterozygous dominant having unattached ear lobes.

As we can see from the pedigree, the person labelled X is not shaded hence it cannot carry the alleles rr. So, the person is heterozygous carrying one dominant and one recessive allele.

Answer:

He's right its A

Explanation:

Answer:

im pretty sure that it is D.

Answer:

An endotherm is an animal that regulates its own body temperature, typically by keeping it at a constant level. To regulate body temperature, an organism may need to prevent heat gains in arid environments.

Explanation:

Answer:

a dog

Explanation:

hope it help a little bit

Answer:

A

Explanation:

Oxbows and loess both show similarity as they both show the constructive power of erosion. An oxbow lake starts as a curve in a river. Oxbows are formed where the river often empties into another water body. A loess is a sediment which is formed by the accumulation of the wind blown silt.

Answer:

they both the constructive power of erosion

there both formed by river erosion

there both caused by gravity  

Explanation:

Answer:

The oil produced in United States is light and low sulfur content and they do not have proper processing facilities, hence purchase it from other countries.

Explanation:

About 9.93 million barrels per day U.S purchase oil from 86 countries. Because the crude oil present is not homogeneous in nature. It is very light in nature with low sulfur content or may be high,this particular factor depends upon the method of the refining. Most of the oil are being exported by the Saudi Arabia and then comes Russia followed  by Iraq. Despite the collapse in price, U.S. dependence on foreign oil should continue to decrease.

Answer: the answer to this question is bees and ants hope this helps

Explanation:

Answer:

bees

Explanation:

edge

Answer:

law

Explanation:

a scientific law is based on observations of similar events that is ALWAYS true while a scientific theory is based on repeated observations and scientific investigations that ia ALMOST ALWAYS true

Answer:

hazardous waste container

Explanation:

In a lab, hazardous waste container contains all the waste which can be dangerous or infectious. Hence, it should be properly handled and disposed of. Due to the cut in the lab, the blood of Lousia might contain infectious microorganisms. Hence, after cleaning the blood with paper towels, the paper towels should be discarded in the hazardous waste container as the paper towel might contain hazardous microorganisms.

Answer: I am able to accept that life is a mix.

Explanation:

not everything in life comes easy and you can learn from your losses to help get more wins.  

Answer:

DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell function.

DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell functions.

In conclusion, DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell functions.

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Answer:

Option C.

The correct meaning of transpiration is the evaporation of water through the stomata.

Explanation:

Answer:

D

Explanation:

collisions between molecules and atoms push on the container creating pressure

Pressure is caused by collisions of molecules within a gas, as their kinetic activity and interactions with the container walls generate a force exerted over an area.

The cause of pressure, especially when discussing gases, is due to collisions of molecules. When gas molecules move, they bounce off each other and the walls of their container. This action results in a force distributed over the area of the container walls, which is defined as pressure. This concept can be represented mathematically as pressure (P) being proportional to the number of collisions, the mass of the molecules (m), and the square of their velocity (v), simplified as P = Nmv2, where N is the number of molecules.

Moreover, changes in temperature and pressure can affect phase changes, such as melting, freezing, evaporation, and condensation. During such phase changes, energy transfer occurs without a change in the system's temperature, leading to the transition from one phase to another. However, when discussing the direct cause of pressure in a gas, it is the kinetic activity of particles, their collisions, and the resulting force on the area of the walls that is directly responsible.

Answer:

Elevation, or height, is a factor that influences what kinds of plants can live in any certain biome on Earth because elevation determines the temperature of that place.

Explanation:

Answer:

Answer:

Elevation, or height, is a factor that influences what kinds of plants can live in any certain biome on Earth because elevation determines the temperature of that place.

Explanation:

The most important factor that is responsible to make the plants grow in that particular area is the climate, and climate is determined by the height and elevation.

As the elevation increases (i.e. height from sea level) the temperature of that place decreases.

There are other factors like, pollution, humidity level etc. that determines the growth of biome on earth besides height and elevation.

Explanation:

Answer:

Winston Churchill Quotes

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.

Explanation:

The end in literature and storytelling marks the conclusion of the narrative or the resolution of the conflict. The end of the beginning signifies the conclusion of the opening phase and the transition into the main events or plot development.

The question seems to be asking about the concept of 'the end' and 'the end of the beginning.' In literature and storytelling, the end is the culmination of the narrative or the resolution of the conflict. It is the moment that concludes the journey or experience. The end of the beginning refers to the conclusion of the opening phase or introduction, marking the transition into the main events or development of the plot.

Answer: Unicellular organisms.

Explanation:

Answer:

Unicellular organisms: Bacteria, protists, and yeast

Explanation:

Unicellular organisms are made up of only one cell. All of the functions needed by the organism are carried out by that one cell. Bacteria, protists, and yeast are some examples of unicellular organisms.

oxygen is released in photosynthesis

Answer:

A. Oxygen

Explanation:

plant release oxygen as a by-product of photosynthesis.

9:3:3:1 is the ratio.

Option D.

The cross described here is actually similar to Mendel’s Dihybrid Cross where two characters of the organisms are actually taken into account and then the phenotypic ratio of the F2 offsprings are seen.

The genes for the long ears and long fur are both heterozygous in both parents. So both of the parents have a dominant allele and a recessive allele.

Lets suppose the dominant allele for the gene determining ear is E and recessive is e. And the dominant allele for the gene determining fur is F and recessive is f.

So the genotype of both the parents is EeFf.

So the gametes produced by both the parents are EF, Ef, eF and ef respectively.

Thus, if we put these in punnett square and see the offsprings, we will see that phenotypic ratio of Ling eared long furred to long eared short furred to short eared long furred to short eared short furred is 9:3:3:1.

Answer:

9 : 3 : 3 : 1

Explanation:

Answer:

Carbon is least likely to be part of an ionic bond.

Explanation:

Final answer:

Carbon is the element least likely to be part of an ionic bond, as ionic bonds commonly occur between metals and nonmetals, and carbon is a nonmetal.

Explanation:

The element most likely to be least likely to be part of an ionic bond among calcium, carbon, lithium, and bromine is carbon. This is because carbon (group 14) is a nonmetal and does not typically form ionic bonds, which generally occur between a metal and a nonmetal. Calcium (group 2), lithium (group 1), and bromine (group 17) are more likely to form ionic bonds, as calcium and lithium are metals and can readily donate electrons to nonmetals like bromine, which accepts electrons to form negative ions.

A motor neuron is a neuron that specifically controls the movement and usage of muscles and glands.

A motor neuron carries nerve impulses from the central nervous system to muscles and glands, resulting in their activation. They connect to muscle fibers at neuromuscular junctions and can be precisely controlled based on the motor unit's needs. This nerve impulse transmission results in muscle contraction.

The function of a motor neuron is to carry nerve impulses from the central nervous system to muscles and glands. These neurons change nerve signals into activation of these structures. Motor neurons project to the spinal cord to synapse with more motor neurons in the ventral horn of the spinal cord, which then connect to skeletal muscles and cause contractions.

These neurons connect to the muscles at neuromuscular junctions, where they connect to multiple muscle fibers within a target muscle. The number of fibers that a motor neuron connects to varies based on the required precision of the muscle and the force necessary for that motor unit. For instance, the quadriceps have many fibers controlled by single motor neurons for robust contractions that don't need to be precise, but extraocular muscles are controlled by each motor neuron very precisely since moving the eyes requires less force but needs high precision.

Motor neurons transmit nerve impulses to the muscles causing them to contract. At the neuromuscular junction, the motor neuron axons connect to muscle fibers. Here, the motor neurons secrete a neurotransmitter called acetylcholine that binds to receptors on the muscle fiber, triggering muscle contraction.

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Answer:

psychology; astrology

Explanation:

Science is to pseudopsychology as  psychology is to astrology.

Science can be described as a vast field in which various aspects of nature are studied through experiments and observations. Whereas, pseudopsychology can be described as any psychological practice that is false or not supported by valid experiments.

Psychology is the understanding of the human mind by through valid experiments and observations. Astrology is a pseudoscience which focuses on human events related to positions of celestial objects.

Answer:

The correct option is A) Picked and sorted by hand, hand-picked and sorted by a simple  machine picked and sorted by complex machinery

Explanation:

Option A is correct because the first method is to pick ans sort by using the hands only which will be the lowest resource consumption as only hands are being used. The second method illustrates using hands for picking ans simple machinery for sorting. As simple machinery is being used hence this method uses more resources than the first one. The third method described using complex machinery for both picking and sorting, which will use the highest resources.

Answer: D. I just took it

Explanation:

Answer:

Population

Explanation:

A group of organisms of the same species living in the same area at the same time, and which are capable of interbreeding.

A group of the same species in the same area is called a population. Communities are multiple populations in an area, and ecosystems include these communities plus abiotic factors. The biosphere is the total collection of all Earth's ecosystems.

A group of organisms that are all of the same species, living in the same area and interacting with each other, is called a population. When discussing different populations that inhabit a common area and their interactions, we refer to it as a community. In contrast, an ecosystem includes not only the biological community but also the abiotic, or non-living, components of the environment, such as soil nutrients and water. At the highest order, the biosphere comprises all ecosystems and represents life on Earth, extending through land, water, and portions of the atmosphere.

For example, in a forest, all the trees, flowers, insects, and other populations form the forest's community. The forest as a whole is an ecosystem, which includes both biotic (living) and abiotic (non-living) components. At the highest level of organization, the biosphere encompasses all ecosystems on Earth. It includes land, water, and even portions of the atmosphere.

What is the likelihood of their child having the disease is:

A. 0%

Explanation: