During early embryonic development,one of the X chromosomes is randomly inactivated in each cell to form a Barr body,a condensed structure near the nuclear envelope that can be used to identify the sex of the individual and/or the presence of a sex chromosome abnormality.In individuals with abnormal numbers of X chromosomes,all but one of the X chromosomes will be inactivated.What would the number of Barr bodies,sex,and syndrome (if any)be for each of the following situations? 
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Q55: One technology that has been valuable for
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Q57: MATCHING
Match the appropriate chromosomal composition to the
Q58: Match the appropriate term with the description.
-Implantation
A)finger-like
Q59: Match the following descriptions with the appropriate
Q60: Match the description to the number of
Q61: The X and Y chromosomes of the
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Q64: Explain why the sex ratio for humans
Q65: Distinguish between chromosomal,gonadal,and phenotypic stages of sex
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