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What do the genetic codes xx and xy mean?

Updated: 8/9/2023
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Sherry1471

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15y ago

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There are 22 autosomal chromosomes and 2 sex chromosomes in humans. In all the other chromosomes, the homologous pairs match up genetic loci. However, in human sex chromosomes the X and Y chromosome are different (with the X chromosome being much larger and the Y chromosome carrying genes that cause "maleness").

Someone with an X and a Y chromosome is a male because he has a Y chromosome that carries the genes that code for "maleness". Females "lack" this Y chromosome, and thus show characteristic female phenotypes.

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Wiki User

15y ago
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Wiki User

14y ago

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

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Wiki User

15y ago

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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Wiki User

9y ago

An xx and an xy cell are used to denote female and male zygotic cells, respectively. They are formed from the union of a female x egg and a male x or y sperm.

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Wiki User

11y ago

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

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Wiki User

14y ago

XX is for women, XY is for men. The letters don't stand for any word.

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Wiki User

12y ago

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

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Anonymous

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3y ago

xx means a girl xy means a boy

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Q: What do the genetic codes xx and xy mean?
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What kind of mutation causes a four leaf clover?

xx and xy genetic mutation.


What does the combination of genes in sexual reproduction allow for?

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.


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Do females have xx in every chromosome in their body?

By textbook, the genetic coding in every cell in a human's body should be exactly the same. So, yes, all females have the XX chromosomes in every cell of their body. Males will have the XY chromosome in every cell of their body.


What determines whether an embryo will become male or female?

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


What is the genotype for males and females?

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Do birds have xy chromosomes?

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Why are genetic diseases carried by genes on the X chromosome more common in male offspring than female offspring?

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 :)


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