Multiple Choice
Why are human gametes haploid instead of diploid?
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9. Mitosis and Meiosis
Development of Animal Gametes
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Horse diploid cells contain 64 chromosomes (2n = 64). How many chromosomes will be present in spermatogonium cells?
A
32
B
64
C
128
D
40
Verified step by step guidance1
Understand the concept of diploid cells: Diploid cells contain two complete sets of chromosomes, one from each parent. In horses, the diploid number is given as 64 chromosomes.
Identify the type of cell in question: Spermatogonium cells are a type of diploid cell found in the testes that undergo mitosis to produce more spermatogonia or enter meiosis to form sperm cells.
Recall that diploid cells maintain the diploid number of chromosomes during mitosis. Since spermatogonium cells are diploid, they will have the same number of chromosomes as other diploid cells in the organism.
Apply the information: Since the diploid number for horses is 64, spermatogonium cells, being diploid, will also contain 64 chromosomes.
Review the options provided: The correct number of chromosomes in spermatogonium cells is 64, matching the diploid number for horses.
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