Question

if a cell in a fruit flys wing contains 8 chromosomes, then its gametes contain
a 8
b 16
c 4
d 32

Explanation:

Cells in a fruit - fly's wing are somatic cells with a diploid number of chromosomes. Gametes are produced by meiosis and have a haploid number of chromosomes. If the diploid number ($2n$) is 8, then the haploid number ($n$) for gametes is 4.

Answer:

C. 4