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yes and xy makes a boy
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Why were you born a girl?
A girl receives two X sex chromosomes, one from the mother's ovum, and one from the father's sperm cell. Females have the XX sex genotype.
Are x chromosomes all that females carry?
Yes. Females have 2 X chromosomes, while males have 1 X and 1 Y. in the human genome
Who has the x and who has the y?
A woman has two x chromosomes and a man has one x and one y
Men have one of y?
The y chromosome. The chromosome pair that determine sex (gender) can have x and y chromosomes; men have one X and one Y chromosome, women have to X chromosomes.
Why was the X and Y letters used to refer to male and female chromosomes?
because.
A human baby is born with two X chromosomes. What must be true about this baby?
the baby is a female
Why is a girl a girl instead of a boy?
If a baby gets one X and one Y chromosome, it is a boy. If it gets two X chromosomes, it is a girl.
What is true about a baby with two X chromosomes?
A baby with two X chromosomes is female.
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.
Why is father responsible for the sex of unborn baby?
Only the father carries both Chromosomes deciding sex. But, under Jewish teachings, which sperm carrying one of the other of the chromosomes is affected by the Ph level of the uterine fluid. More acidic levels and you get a girl. As such, the factors of who choses is about equal.
Can a human have only 1 y and no x chromosomes?
it would make for a defective baby!
If a person inherits two X chromosomes that person will be?
If someone ends up with two x chromosomes (XX) Then they are a girl. If a person has one X chromosome and one Y chromosome(XY) then they are a boy. the men decide what sex the baby is since they have both an x and y. the women gives an x all the time.
Does XY combination of chromosomes give a female baby?
No, XY combination of chromosomes produces a male baby. To produce a female baby, the combination of chromosomes must be XX. The mother's egg is always X, so the deciding vote goes to the father's sperm to choose an X or a Y chromosome - to see whether we'll be a boy, or a girl.
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.
Pregnancy in left ovary is boy or girl baby?
The sex of a baby is not determined by which ovary the egg was released from. The father's sperm is the determining factor. All eggs are X chromosomes and if the sperm is a X as well you will have a girl, if it is a Y then expect a little boy.
What food can you eat while your pregnant to make you have a baby of a certain gender?
The sex of a baby is determined by the two sex chromosomes inherited from the parents. The mom always gives an X chromosome. Dad can either give an X or a Y. If dad gives an X, you get a girl. If dad gives a Y, you get a boy.
How can a fetus be made a girl?
a baby will be either a boy or a girl long before it becomes a fetus. A woman's egg carries an X chromosome (women are XX). However, since men are XY, a single sperm cell will carry either an X or Y chromosome. Depending on which sperm cell enters into the egg will result in either the a boy baby or a girl baby.
