Question

unit 2.3 cell cycle, mitosis, meiosis quiz 2025 - 26
if a human muscle cell has 30 chromosomes, how many would an egg cell have?
○ 30
○ 15
○ 7
○ 2

Explanation:

Step1: Identify cell - type

Muscle cell is a somatic cell, which is diploid. Assume the diploid number ($2n$) is 30.

Step2: Recall gamete chromosome number

Gametes are haploid cells formed by meiosis. The chromosome number in a gamete ($n$) is half of the diploid number.
So, $n=\frac{30}{2}=15$.

Answer:

15