Question

A human egg that has not been fertilized includes

• A. One chromosome of the Y chromosome
• B. Chromosomes X and Y
• C. Chromosomal XX
• D. A single X chromosome

Answer 1

Answer:

D. A single X chromosome

• A human egg that has not been fertilized contains an X chromosome and is considered a female gamete.

• Unfertilized egg is female gamete which is haploid. It contains X chromosome. The sperm contains either an X or a Y chromosome. A male child (XY) is produced if the sperm containing a Y chromosome fuses with the egg.