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What are sex chromosomes and what combinations would result in a boy or girl?
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How are chromosomes organized?
Girl Boy Girl Boy
What what are sex chromosomes?
XX for a girl and XY for a boy
What are the 2 sex chromosomes?
XX for a girl and XY for a boy
Is this sentence true or false. Genes on chromosomes determine whether a baby is a boy or girl?
A child's sex is determined if he has XY chromosomes or she has XX chromosomes. So in general the statement is true.
What chromosomes make a boy or a girl?
It is because males produce sperm cells with the X chromosome and sperm cells with the Y chromosome. If a sperm cell with a Y chromosome fertilizes an egg, then that child would be a boy, as the Y chromosome produces male offspring. If a sperm cell with a X chromosome fertilizes an egg, then the child would be a girl, as X is the female chromosome. The mother always passes on a X chromosome, but the father can pass on an X or a Y and thus determine the sex of the baby.
Does every girl grow breasts?
Most do but in case of certain problems with the parents chromosomes (such as having XXX chromosomes), the woman would not grow boobs and be infertile.
How are chromosomes organized?
Girl Boy Girl Boy
How many chromosomes should a girl have?
Each of her cells should have 46 chromosomes, with the exeption of reproductive cells. Those have 23 chromosomes.
What what are sex chromosomes?
XX for a girl and XY for a boy
How do you get chromosome?
boy meets girl, girl meets boy the baby gets chromosomes
Can parents pick if they want a boy or a girl?
Unfortunately, no they cannot. It depends on the mother chromosomes (XX) and the father chromosomes(XY). The chromosomes from the father is basically the only chromosomes to detect the sex of the baby. Boy or Girl. If a mother's X chromosome meets with the fathers X chromosome, it will be a girl. If a mothers chromosome X meets with the father Y chromosome, it will be a boy.
What are the 2 sex chromosomes?
XX for a girl and XY for a boy
When a baby is born it has a half chance of being a girl and half chance of being a boy If a couple has three children how many combinations of girls and boys can the couple have?
Any amount is possible of either. girl boy boy girl girl boy girl girl girl boy boy boy boy boy girl ... etc... there are many combinations
The combinations of a girl in germ cells?
i think it's x or y
How do boys chromosomes differ from girls?
Boys have one x chromosome and a y chromosome, whereas a girl has two x chromosomes.
Is this sentence true or false. Genes on chromosomes determine whether a baby is a boy or girl?
A child's sex is determined if he has XY chromosomes or she has XX chromosomes. So in general the statement is true.
What if there were two X chromosomes at chromosome pair 23?
That person is a girl.
