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how do you tell which is XX and which XY chromosomes?

Chae005

by Chae005 at January 04, 2011

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if you're referring to a picture, an X chromosome is larger and a Y chromosome is smaller. So if you see a pair of sexchromosomes that are the same size, it's XX. If there's one small and one big, then it's a XY chromosome.

jj.kim jj.kim January 04, 2011

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I am not completely sure but i think the difference is that one is smaller and the other is larger.

sonia sonia January 04, 2011

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there is a different shape of the x chromosome and a different shape for the y chromosome

GURUKID GURUKID January 04, 2011

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The Y chromosome looks different than the X chromosome.

yankeekid yankeekid January 04, 2011

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