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Alja [10]
3 years ago
12

Mendel’s law of segregation has its physical basis in which of the phases of the cell cycle?

Biology
2 answers:
ladessa [460]3 years ago
7 0

Answer: it has physical basis in Meiosis I particularly Anaphase I and meiosis II particularly Anaphase II.

Explanation: Because in Anaphase I spindle get far apart from each other and chromosomes segregation results. In this phase as a result of segregation 2 daughter cells are formed and in Anaphase II, 4 haploid cells are formed.

ollegr [7]3 years ago
3 0

Answer:

Meiosis

Explanation:

Because that's when alleles of different genes cross over, specifically in Prophase I.

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Answer:

1 or 100%

Explanation:

Let the allele for seed shape be represented by S.

True breeding spherical shape seeded pea plant will have SS as genotype

True breeding pea plant with wrinkled seeds will have ss as genotype

Crossing the two:     SS  x   ss

Progeny: Ss, Ss, Ss, Ss

Based on the assumption that spherical shape allele is dominant over wrinkle shape allele, all the F1 offspring will have spherical seeds.

<em>Hence, the probability is 1 or 100%</em>

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Consider that a certain gene is a maternal effect gene and that the allele for dark brown pigment is incompletely dominant to th
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Answer:

BB - Dark brown color - (1/4)

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bb - white color - (1/4)

Explanation:

Let the allele for dark brown pigment be represented by "B"

And the let allele for white (no pigment) be represented by "b"

Due to incomplete dominance, the phenotype of heterozygous species would be "light tan"

Genotype of heterozygous female - Bb

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BB, Bb, Bb, bb

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