Question

An unfertilized human egg would have

• A. Two X - chromosome
• B. One X - chromosome
• C. One Y - chromosome
• D. Both X and Y - chromosome

Answer 1

The correct option is B One X - chromosome

The gametes are the haploid cells which are produced by the meiotic division. The egg is the female gamete which is produced through oogenesis. The gametes are haploid and contain only one set of the chromosome. So, the egg cell contains the 22 autosomes and one X chromosome. Since the female somatic cell contains two X chromosome, there will be only one X chromosome in the gamete.

Thus, the correct answer is option B.