Who decides the sex of our unborn child?

My hubby has two boys with his ex wife is it more likely that we will have a boy or is it 50/50?

Answers:
Well, the man determines the sex but there are things you can do when trying to conceive that can help you get the outcome you prefer. As they say timing is everything and it is the same with conception, meaning, that the boy sperm usually swim much faster than the sperms that carry the girl chromosome, so if you have sex closer to ovulation the boy sperm will win because they get there first. If you have sex a day or two before ovulation the chances of having a girl are greater because by the time ovulation happens, the boy sperms are all out of energy and this gives the girl sperms an opportunity to reach the egg first. So in answer to your question it depends on when you ovulated and when you had sex whether or not you are having a boy or girl. Good luck and Congrats:o)
The sperm carries the gender.
girls out number boys slightly
the man's chromosomes decide the sex.
http://www.intelihealth.com/ih/ihtih/emi.
its 50%50%.
depends on your genetic build up.
The X gene is from male, the Y gene is from you.
If either of you have red hair this is the more dominant gene and it will usually become the same sex.
all the best hope you get your choice!
actually the chromosome that determines sex is carried by the male..

womens have XX
and men have XY

so when they meet.. xx equals girl
where as xy equals boy

hope it helps i didnt want to go into too much details and genetics.

but definitely if its another boy.. its all because of your husband
It is 50/50, the sex is decided when you conceive something to do with chromosomes i think.
Has the female egg only carries the x chromosone and the male sperm carries the x and y, its the males that determine the sex of the child
It all depends on the sex chromosome that the sperm is carrying!
As with everything in life, it's a mans world and he makes the decision as it's in his sperm.

However, that will be the last time because as soon as the baby is born nobody will listen to a single thing he says.
the male sperm is the deciding factor. which ever one gets there first is the winner! start your engines! ;)
The man determines the sex of a child,after 2 boys its still 50/50 the next child.
GOD! Also on how hard you 'bang' her too
The male decides the sex of the child.
God decides
The male determines the sex of an unborn child. A male has X and Y chromosomes. The female has only Y chromosomes. If an X and a Y chromosome come together when the egg is fertilized, the child Will be a boy. A Y and a Y produces a girl.
It is the sperm that decides but everytime it's a 50/50 chance since there are an equal amount of each sex in each ejaculation.
mother nature!
its 50/50 no one can tell you different
the spermies !! some are girl spermies some are boy spermies.. depends which one got into the egg..
Fate. No not really the sperm decides. Hope you get whichever you want.
Each partner gives the child half of it's genetic code.

In the case of sexual characteristics two chromosomes are required.
The female partner (with X X genes) gives the egg one X chromosome.
The male partner (with X Y genes) gives his sperm EITHER one X or one Y chromosome.

So the child's sex depends on which type of sperm (X or Y) fertilises the egg.
If a X chromosome sperm did the deed then:
sperm X + egg X = baby girl X X
If a Y chromosome sperm was to blame then:
sperm Y + egg X = Baby boy X Y

However it is possible that the environment can change your husband's sperm to have a higher percentage of either X or Y sperm. Also some research says the one particular type MIGHT be favoured under certain conditions caused by both partners.

I don't know what you'll have but I hope you are all happy either way!
the sperm determines the sex of your child it is still 50/50
You are correct, it is 50/50 and your husbands sperm will determine the sex of the new child. Good luck.
Men have an XY gene and women have XX, therefore the male sperm are mixed into X and Y sperm so which ever ones gets to the egg first decided on the sex of the baby.

However as we hear every now and then of people in wrong bodies etc I'm beginning to think there's more to it than that.
Your husband's genes determine the sex of the child.
not who but what! the little swimmer decides what its going be (i hate the sperm sorry!)
just because he has had two boys doesn't mean much. It's the male who carries both a y and a x chromosone,women have two X, so its the male who decides whether its a boy or girl
50/50 but it is determined by HIS genes ONLY
Nobody decides but it is determined by the man's sperm. The chances are 50/50.
God :-)

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