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diamong [38]
3 years ago
11

A ____ refers to the expressed variation of a trait in a population. marine

Biology
1 answer:
frez [133]3 years ago
8 0
Phenotype, I believe this is the right answer. Phenotypes are expressed forms of genotypes. Genotypes may be YY, Yy, yy (just an example, where Y codes for the pigment yellow in skin, and Y is the dominant allele to y which is recessive and which results in white / albino skin in the absence of dominant allele).
Phenotypes of organisms will be Yellow skin, Yellow skin, and White / albino skin.

Hope this helps! :)
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In a diploid individual, one chromosome carries A and B genes, and the homologous chromosome carries different forms (alleles) o
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Answer:

D

Explanation:

This involves a dihybrid inheritance I.e. two genes are being passed on. During meiosis, specifically, the Prophase stage, homologous chromosomes (similar but non-identical chromosomes received from each parent) line side by side. According to the question, one chromosome contains A and B alleles and its homologue, received by the other parent carries a and b alleles. This means that the diploid individual has a genotype AaBb for that gene.

According to Mendel's law of independent assortment, the alleles separate independently of one another into gametes. I.e. allele A and a separates into the gametes without affecting alleles B and b of the other gene.

Crossing-over, which is the exchange of chromosomal segment occurs between the two homologues. Hence, the exchange of chromosomal segments containing alleles in the individual will possibly produce four gametes with the genotypes: AB, Ab, aB, ab.

4 0
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What chemical provides the blueprint of the cell​
kari74 [83]
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8 0
3 years ago
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Tamiku [17]
The correct answer is C, due to the fact that the things that power electrical energy are non-renewable, such as coal and other products. hope this helps, have an amazing day :)
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Diffusing molecules move ________ until they are ________. Through channels of active transport proteins; evenly distributed up
koban [17]

Answer;

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Diffusing molecules move down the concentration gradients until they are evenly distributed.

Explanation;

Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

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