Answers

2016-07-21T08:30:10+08:00
The sex of a child will be a boy or male
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2016-07-21T14:50:22+08:00
Humans have an additional pair of sex chromosomes for a total of 46 chromosomes. the sex chromosomes are referred as x and y and their combination determines a persons sex.Human females have xx chromosomes while males possess an xy chromosomes.
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