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XY sex-determination system


The XY sex-determination system is the sex-determination system found in humans, most other .... Hormone levels in the male parent affect the sex ratio of sperm in humans. .... Jump up ^ Suzanne Wym...

does the male or female parent determine sex of baby | Mom ...


Oct 24, 2007 ... Baby gender before the birth and conception. Baby gender by photo of parents only. To do this I have a group at facebook. Group is called ...

Girl or Boy? What decides your babys gender, chance, sexual ...


Girl or Boy Baby Gender - At conception, gender is determined by chromosome ... at conception based on the 23rd pair of chromosomes it inherits from the parent. ... Other old wives tales on determining the sex of your baby include: Make love ...

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


The process by which your baby becomes a boy or a girl, according to what's written in his or her genetic code, is awe-inspiring. Watch it all unfold.

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 ... of two parts, known as alleles, one inherited from each parent.

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


Jan 6, 2016 ... Before modern technology could tell expectant parents the sex of their child, how did you tell whether you were carrying a boy or a girl?

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


Apr 28, 2008 ... Experts explain whether diet, timing, and changing body chemistry can really help parents-to-be determine the sex of their baby.

Gender Determined - The Bump


Q&A: Gender determination? - Find out how your baby's gender is determined. Get more fertility questions ... The sex of a baby is determined by two sex chromosomes inherited from both the genetic parents. A baby will normally inherit one ...

Who determines the sex of the baby? | Yahoo Answers


Has anyone heard of a scientific reason that women can determine the sex? ... Under certain circumstances, if the female parent is producing abnormally high ...

Can You Choose the Sex of Your Child?, on MedicineNet.com


May 5, 2003 ... Several options are available for choosing the sex of your child, but none ... parents have a number of options for choosing the sex of their child.

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about why dad determines the sex of the child (and some weird ...


Apr 5, 2012 ... What we can say is that dad's sperm determines whether a baby wi. ... Which parent decides whether a baby will be a boy or a girl? -A curious ...

Determining the Sex of Offspring - Infoplease


Which sex carries the genes to determine the sex of the offspring... basically, which parent decides the gender of the baby? The Answer: The sex of a human baby is determined by the composition of its sex chromosomes (a single distinct pair ...

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.