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question 16
which of the following statements is false?
1 gametes are haploid cells.

1. two haploid cells fuse during fertilization.
2. an x chromosome is an autosome.
3. a zygote is a fertilized egg.

Explanation:

• Gametes (sperm and egg) are haploid cells with half the chromosome number of somatic cells.
• During fertilization, a haploid sperm and a haploid egg fuse.
• An X chromosome is a sex chromosome, not an autosome (non - sex chromosomes).
• A zygote is formed when a sperm fertilizes an egg.

Answer:

1. An X chromosome is an autosome.