Prevalence of methicillin-resistant Staphylococci species isolated ... by Boa, Tyler T.; Rahube, Teddie O.; Fremaux, Bastien; Levett, Paul N.; Yost, Christopher K. / Journal of Environmental Health.
The X and Y chromosomes, also known as the sex chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype (mothers only pass on X chromosomes).
Best Answer: Sex chromosomes are either X or Y. They determine the sex of the baby... XX = female. XY = male Autosomes are every chromosome except for the sex chromosomes. They have no affect in the outcome of the sex of the organism Humans have 46 chromosomes, which means we have 23 pairs. The 23rd pair of human chromosomes are sex chromosomes. All 22 other pairs are autosomes.