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XY sex-determination system


XY system in mammals: Sex is determined by presence of Y. "Female" is the ... to the theory that the genetic mechanism that determines a fetus to develop into a ...

What decides your babys gender, chance - Baby2see.com


Girl or Boy Baby Gender - At conception, gender is determined by chromosome characteristics that dictates whether the baby will be a boy or a girl.

More about why dad determines the sex of the child - Understanding ...


Apr 5, 2012 ... What we can say is that dad's sperm determines whether a baby will be a boy or a girl. About half of his sperm will make a boy and half a girl.

Gender Selection: Can Your Habits Determine the Sex of Your Baby?


Experts explain whether diet, timing, and changing body chemistry can really help parents-to-be determine the sex of their baby.

9 Historical Methods for Determining the Sex of an Unborn Baby ...


Nov 5, 2015 ... Most parents don't find out their baby's gender until the 20-week scan, .... you could possibly use it to determine the sex of your unborn child.

Boy or Girl: How Genetics Determine Your Baby's Gender


Boy or Girl: How Genetics Determine Your Baby's Gender. The process by which your baby becomes a boy or a girl, according to what's written in his or her ...

What determines the sex of a baby? - Fetal Development Basics ...


Sperm dictates the sex of the fertilized egg. However, a lot of mutual factors contribute to gender, including as the egg's receptivity to the male's chromosomes.

Male Genes Really Determine Baby Gender, Says Study - Science 2.0


Dec 14, 2008 ... Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome. An X chromosome combines with the ...

Q&A: Gender determination? - Getting Pregnant - Fertility and ...


The sex of a baby is determined by two sex chromosomes inherited from both the genetic parents. A baby will normally inherit one sex chromosome from the ...

Popular Q&A
Q: What determines the gender of a human fetus?
A: I have to disagree with the above answer, as in today's world sexuality is determined by lawyers and judges as so often the chromosones are all feckud up. Read More »
Source: answers.yahoo.com
Q: At what week can gender of a fetus be determined?
A: 18-22 weeks with a normal ultrasound machine. With 3d or 4d usually as early as 14 weeks Read More »
Source: wiki.answers.com
Q: When can gender of fetus be determined?
A: The gender of a fetus can typically be determined around the 20th week of pregnancy. An ultrasound is preformed by a technician at your 20 week check-up and if ... Read More »
Source: wiki.answers.com
Q: What Are Gender Determiners?
A: The sex of an individual refers to his biological make up. This includes chromosomes, hormones and sex organs. Biological makeup determines if that person is a ... Read More »
Source: www.ehow.com
Q: What Determines the Gender of a Baby?
A: Father Figures. A baby's gender is always determined by his father, whose sperm carries both X and Y chromosomes. The sperm itself carries only one chromosome, ... Read More »
Source: www.ehow.com