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Leto [7]
4 years ago
11

Why would the y chromosome be unlikely to contain any of the genes that are absolutely necessary for survival?

Biology
1 answer:
sergejj [24]4 years ago
7 0
<h2>The Y chromosome </h2>

Explanation:

  • The Y chromosome is one of the two sex chromosomes in humans (the other is the X chromosome)
  • The sex chromosomes form one of the 23 pairs of human chromosomes in each cell
  • The Y chromosome spans more than 59 million building blocks of DNA (base pairs) and represents almost 2 percent of the total DNA in cells
  • Each person normally has one pair of sex chromosomes in each cell
  • The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosome
  • The Y chromosome is much smaller than the X chromosome and likely contains 50 to 60 genes that provide instructions for making proteins
  • Only males have the Y chromosome, the genes on this chromosome tend to be involved in male sex determination and development hence unlikely to contain any of the genes that are absolutely necessary for survival
  • Sex is determined by the SRY gene, which is responsible for the development of a fetus into a male

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