Genetic Engineering

What do the genetic codes xx and xy mean?


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2009-03-31 21:38:53
2009-03-31 21:38:53

xx and xy are the chromosomes of the male and female body. the female has xx chromosome and the male has xy chromosomes the sex determination chromosomes

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XX are the sex defining chromosomes for a girl and XY for boys

XX or XY are the combination of geanes for reproduction process in humen being. Whereas XX is the genetic representation of a female and XY being of a male. The genes XX & XY appear in the 23rd pair of chromosomes in the karyotype of a human.

Two (XX or XY) with the exception of genetic abnormalities.

XX are the female chromosomes and XY are the male chromosomes.

XX and XY is the male-female cross in humans and some other organisms. XX= female, XY= male.

In humans, gender is determined by the x and y chromosomes, with xx being a genetic female and xy being a genetic male

Females have xx chromosomes, males have xy.

It is referring to the male chromosome whereas the the female gender chromosome is XX.

Yes, but unlike with mammals, in the case of birds females have XY, and males have XX. With mammals like us males have XY and females have XX.

XX means female XY is male

The female has xx and the male has either xx or xy

Sperm is X or Y, it fertilizes the egg forming XY or XX. XY would be male and XX female.

The mother has chromosomes XX and the father has the chromosomes XY

Because in males they have only 1 X chromosome. The other one is Y. But in females they have 2 XX chromosomes so the chance that X chromosome will carry disease to cause illness is lower. Example: lets say xx (recesssive) phenotype makes illness, whereas XX (dominant) is healthy. A woman can have XX, Xx, xx right? Since Xx is a carrier and XX is healthy you wont see the illness. only xx can make illness. 1/3 chances she is sick. However in males they have XY. so he can only have either XY or xY. No carrier form is present. The chances he will be sick is %50. got it? Im a genetic engineer and molecular biolog so count on me :)

46 chromosomes or 23 pairs of chromosomes where 44+xx or 44+xy xx are girls xy are boys

XX XY - 2002 is rated/received certificates of: Germany:16 UK:15 USA:R

its a 50/50 since the girls chromosomes are xx and the guys chromosomes are xy the pairs which can be created are xx,xx,xy,xy for the offspring to become a male its a 2/4 chance which is 50% :)

Girls have xx cromosomes, and bnoys have xy chromosomes?

The alleles for a boy (or girl) are really chromosome pairs. XY make up the genetic material necessary for creating a boy. (XX make up the genetic material necessary for creating a girl).

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