Question

How many sperm cells are formed from an original cell in a Drosophila fruit fly at the

of meiosis?
A. two haploid sperm cells
B. two diploid sperm cells
C. four haploid sperm cells
D. four diploid sperm cells

Answer 1

From an original cell in a Drosophila fruit fly, meiosis produces four haploid sperm cells, making the correct answer C. four haploid sperm cells. Therefore, the correct option is C.

Step-by-step explanation:

From an original cell in a Drosophila fruit fly at the end of meiosis, four haploid sperm cells are formed. This is because meiosis in animals, including the fruit fly, involves two rounds of cell division starting with a diploid cell. The first division, meiosis I, separates homologous chromosomes into two daughter cells, each with half the number of chromosomes, resulting in cells that are technically haploid. The second division, meiosis II, separates the duplicated chromosomes into four unique haploid cells. Therefore, the correct answer is C. four haploid sperm cells.