Our closest primate relative, the chimpanzee, has a diploid number of 2n=48. For

Question

Our closest primate relative, the chimpanzee, has a diploid number of 2n=48. For each of the following stages of M phase, identify the number of chromosomes present in each cell.

Question 1: End of mitotic telophase.

24 chromosomes: 23 autosomes, 1 sex chromosomes,each chromosome will be composed of a single chromatid.
24 chromosomes: 23 autosomes, 1 sex chromosomes,each chromosome will be composed of a double chromatid.
48 chromosomes: 46 autosomes, 2 sex chromosomes,each chromosome will be composed of a single chromatid.
48 chromosomes: 46 autosomes, 2 sex chromosomes,each chromosome will be composed of a double chromatid.

Question 2: Meiotic metaphase I.


48 chromosomes, 96 chromatids.
48 chromosomes, 48 chromatids.
24 chromosomes, 48 chromatids.
24 chromosomes, 24 chromatids.

Question 3: End of meiotic anaphase


24 chromosomes.
96 chromosomes.
48 chromosomes.
12 chromosomes.

Question 4: Early mitotic prophase.


24 chromosomes, 24 chromatids.
24 chromosomes, 48 chromatids.
48 chromosomes, 96 chromatids.
48 chromosomes, 48 chromatids.

Question 5:Mitotic metaphase.


48 chromosomes, 96 chromatids.
48 chromosomes, 48 chromatids.
24 chromosomes, 48 chromatids.
96 chromosomes, 96 chromatids.


Question 6:Early prophase I.

48 chromosomes, 48 chromatids.
24 chromosomes, 48 chromatids.
96 chromosomes, 96 chromatids.
48 chromosomes, 96 chromatids.

Explanation / Answer

1. 48 chromosomes: 46 autosomes, 2 sex chromosomes,each chromosome will be composed of a single chromatid. 2. 48 chromosomes, 96 chromatids. 3. 48 chromosomes. 4. 48 chromosomes, 96 chromatids. 5. 48 chromosomes, 96 chromatids. 6. 48 chromosomes, 96 chromatids.

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