Cruise ship tour: Last look at the original 'Love Boat'. One of the most famous cruise ships of the modern era, the former Pacific Princess, is being dismantled at a scrapyard in Turkey.
The male parent does. Sex is determined by two chromosomes, X and Y. A female is XX, a male is XY. Since women completely lack the Y choromosome, they always contribute an X chromosome to the baby.The sex is determined by whether the sperm that fertilizes the egg is carrying another X or a Y.es | No Thank you! The male parent does. Sex is determined by two chromosomes, X and Y. A female is XX, a male is XY. Since women completely lack the Y choromosome, they always contribute an X chromosome to the baby. The sex is determined by whether the sperm that fertilizes the egg is carrying another X or a Y.
The sex of a baby is determined by the two sex chromosomes inherited from the parents. A baby will normally inherit one sex chromosome from the mother, and one from the father. A woman has two X chromosomes, so she can give either of her X chromosomes.The father can give either his X or Y chromosome. girl baby will result if the final arrangement is XX, and a boy will result if it is XY. As you would expect, about half of the sperm cells contain an X chromosome, and half contain a Y chromosome. It is possible to have an abnormal number of sex chromosomes, however, this is extremely rare.