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Step2247 [10]
3 years ago
7

Matching pairs of chromosomes from the parents are called ____________

Biology
1 answer:
Darya [45]3 years ago
5 0
The answer to this is Homologous chromosomes. 
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Why are lethal dominant alleles so much more rare than lethal recessive alleles?
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Lethal alleles cause the death of an organism prenatal or after the birth. Lethal alleles are usually a consequence of a mutation and they can be recessive, dominant or conditional. Since the lethal dominant alleles are harmful whether they are carried in homozygous (e.g.AA) or heterozygous (e.g.Aa) form,  a strong selection against them is present and thus these alleles are much more rare.

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Which of the following environmental problems could be solved by reducing the amount of packaging that people need to throw away
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the anserw is B

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Becuse landfill conant garbeg and can overfill.

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What are the three final nucleotides on the newly created mRNA in the animation sequence?
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3 years ago
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In a particular environment there is plenty of food, water, cover, and space to support a large population of pheasants, but a l
FromTheMoon [43]

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c. limiting factor.

Explanation:

The limiting factors are environmental or ecological factors that act directly on the living beings of a population, limiting their size, since these factors determine their birth, mortality, migrations, etc. They are the ones that regulate the growth and expansion of a species.

If environmental factors are optimal for the development of a living being, they favor the growth of that organism in that biotope. But if any of these factors prevents the growth of a species, there is talk of a limiting factor.

Among these physical and chemical factors that determine the biotope include:

- Abiotic factors (do not depend on population density):

Climate:

Light. Only the most superficial organisms access it in water. On land, there is also competition in leafy areas to access it.

Temperature. Some living beings cannot live at the temperature that others live.

Water: It is necessary that it rains or that living beings can access water in order to live. If there is no water, they die.

Atmospheric pressure.

Non-climatic:

Soil factors: The chemical composition of the soil, its pH, salinity, etc. It makes some plant species may or may not survive in it.

Factors of the aquatic environment: The concentration of O2, dissolved CO2, the degree of salinity, the existence of currents, etc., limits the development of some organisms.

- Biotic factors (depend on population density):

Food. If they do not have enough food, the population will have to be smaller.

Interspecific relationships. The number of predators limits the number of prey, and vice versa.

Intraspecific relationships. The relationships established between individuals of the same species can also limit their existence.

6 0
3 years ago
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