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Why x-chromosome are also called Barr body?
That is what random X chromosomes do in the female somatic cells. They form Barr bodies. This is a methylated X chromosome that effectively shuts this chromosome down, one per cell in a random manner. This is done by the body because too much protein product is detrimental to organisms.
Men have one of y?
The y chromosome. The chromosome pair that determine sex (gender) can have x and y chromosomes; men have one X and one Y chromosome, women have to X chromosomes.
Does the male or female pass colorblindess to the offspring?
It is on the X Chromosome (male have XY chromosome Females have XX Chromosome)
How you can distinguish y from the x sperm?
Size, generally. The X chromosome looks like an X and is smaller than the somatic chromosomes. The Y chromosome is a shrimp, comparatively, so it is always easy to spot.
Does the x or y chromones determin sex of children in the uterus?
Yes, except that it is chromosome, not chromones - whatever that may be!
