Question at position 62 If a diploid cell (2n = 16) undergoes meiosis I and II, the result is:2 cells; each with 2n = 82 cells; each with 2n = 164 cells; each with n = 84 cells; each with 2n = 322 cells; each with 2n = 32

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BlackTom AI · Accepted Answer

Let's break down what meiosis does to a diploid cell with 2n = 16.
First, meiosis consists of two divisions (meiosis I and II) and reduces the chromosome number by half, producing haploid cells with n chromosomes. Since the original cell has 16 total chromosomes, a haploid chromosome set contains 8 chromosomes, so n = 8.
Now evaluate each answer choice:
Option 1: '2 cells; each with 2n = 8' This is inconsistent because meiosis yields more than two daughter cells, and the chromosome number would be reduced to n, not 2n = 8. The phrase 2n = 8 is itself contradictory, as 2n denotes a diploid set, and 8 chromosomes total would correspond to a haploid set in this context. This option misstates both the number of products and their ploidy.
Option 2: '2 cells; each with 2n = 16' This would imply no reduction in chromosome number and only two daughter cells, which contradicts the fundamental outcome of meiosis (four cells, not two) and the haploid nature of the products. This option resembles mitosis more than meiosis.
Option 3: '4 cells; each with n = 8' This aligns with standard meiosis: four haploid cells, each containing half the original chromosome number. Since 2n = 16, the haploid number is n = 8, so each cell carries eight chromosomes as a haploid set.
Option 4: '4 cells; each with 2n = 32' This would indicate four diploid cells with more chromosomes than the starting cell, which is biologically impossible under normal meiosis. It also doubles the chromosome count, which contradicts reduction division.
Option 5: '2 cells; each with 2n = 32' This also incorrectly suggests two diploid cells with a chromosome count higher than the starting cell, which cannot occur in meiosis. It incorrectly pairs the idea of two products with a doubled chromosome number.
Across these options, the one that matches the biology of meiosis is the option describing four haploid cells, each with eight chromosomes. The remaining choices either misstate the number of products, the ploidy, or the chromosome count, reflecting common misunderstandings between mitosis and meiosis or a misapplication of n and 2n concepts.

Question at position 62 If a diploid cell (2n = 16) undergoes meiosis I and II, the result is:2 cells; each with 2n = 82 cells; each with 2n = 164 cells; each with n = 84 cells; each with 2n = 322 cells; each with 2n = 32

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Question at position 62 If a diploid cell (2n = 16) undergoes meiosis I and II, the result is:2 cells; each with 2n = 82 cells; each with 2n = 164 cells; each with n = 84 cells; each with 2n = 322 cells; each with 2n = 32

View Explanation

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