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Phantasy [73]
3 years ago
15

Inheritance patterns cannot always be explained by Mendels models of inheritance. If a pair of homologous chromosomes fails to s

eparate during meiosis I, select the choice that shows the chromosome number of the four resulting gametes with respect to the normal haploid number (n)?
Biology
1 answer:
valentinak56 [21]3 years ago
6 0

Answer:

n+1; n+1; n-1; n-1

Explanation:

Separation of homologous chromosomes during anaphase I result in a reduction of the chromosome number to half in the daughter cells of meiosis. If two homologous chromosomes of a pair fail to separate from each other, they both will move to the same pole. In this case, one daughter cell of meiosis I will have both the homologous chromosomes of a pair (n+1) while the other one will lack it (n-1). Meiosis II in these two daughter cells will form a total of four cells. Two of the daughter cells will have one extra chromosome (n+1) while the rest two will lack one chromosome from the haploid set (n-1).

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