Y chromosome in humans:
Correct answer: B. Carries few genes
- A. Is completely inert
- B. Carries few genes
- C. Carries many genes
- D. Contains genes for hemophilia and color blindness
Explanation
The (X / Y) chromosome carries the fewest number of genes. The Y chromosome is one-third the size of the X chromosome and contains about 55 genes while the X chromosome has about 900 genes.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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