Multiple Choice
After a germ cell replicates and grows in females, it forms two primary what?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
In humans, what is the end result of meiosis starting from one diploid germ cell?
A
One diploid daughter cell and one haploid daughter cell produced by a single division
B
Four genetically distinct haploid daughter cells (gametes), each with half the number of chromosomes
C
Two genetically identical diploid daughter cells, each with the same number of chromosomes as the parent cell
D
Four genetically identical diploid daughter cells, each with the same number of chromosomes as the parent cell
Verified step by step guidance1
Step 1: Understand the starting point of meiosis, which is a diploid germ cell containing two sets of chromosomes (2n).
Step 2: Recall that meiosis consists of two consecutive divisions: meiosis I and meiosis II, each with specific roles in chromosome number reduction and genetic variation.
Step 3: During meiosis I, homologous chromosomes separate, reducing the chromosome number by half, resulting in two haploid cells (n), but each chromosome still consists of two sister chromatids.
Step 4: During meiosis II, the sister chromatids separate, producing a total of four haploid daughter cells, each genetically distinct due to crossing over and independent assortment.
Step 5: Conclude that the end result of meiosis is four genetically distinct haploid daughter cells (gametes), each containing half the number of chromosomes of the original diploid germ cell.
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