Sex cell chromosomes

Thus, in these cases the mother determines the sex of the offspring. Show my email publicly.


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If a female mammal has different forms or alleles of a particular gene on each of her two X chromosomes, then about half of her cells will express one of the alleles and about half the other allele. The sex of an individual is determined by which paternal sex chromosome X or Y is inherited at fertilization.

Sex Chromosomes

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An example of such a genetic mosaic is a calico cat, carrying an allele for orange fur color on one X chromosome and an allele for black fur color on the other X chromosome. The same situation is also found in humans where females are XX and males are XY. Separation and Purification of Biomolecules Sex Determination. Type the code shown:
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Comments
  1. This body is actually the condensed X chromosome, and it is called a "Barr body" after its discoverer, Murray Barr. The same situation is also found in humans where females are XX and males are XY.

  2. The sex of an individual is determined by which paternal sex chromosome X or Y is inherited at fertilization. This body is actually the condensed X chromosome, and it is called a "Barr body" after its discoverer, Murray Barr.