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All organisms carry a set number of pairs of chromosomes, in humans it is 23 pairs. Of these chromosomes one pair controls the sex of the human. The sex chromosomes are called the X and Y chromosome. Females have XX pairing and Males XY.

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What sex chromosome does a human egg cell contain?

The sex chromosome typically carried by an ovum is X-chromosome. The sperm may carry either x or y sex chromosome.


Do men carry only XX chromosomes?

Men typically have one X chromosome and one Y chromosome. Women typically have two X chromosomes. So-called XX males have two X chromosomes; thus they are genetically female but otherwise appear to be male.


How can you tell the difference between men sperm and women sperm?

Sperm cells from male individuals carry either an X or Y chromosome, while those from female individuals can only carry an X chromosome. Sperm cells are typically identified under a microscope based on their size, shape, and movement characteristics, rather than their genetic content.


Why does the y chromosome not carry any alleles?

The Y chromosome is smaller than the X chromosome and contains fewer genes. It carries the genes necessary for determining male sex and some other genes, but it lacks many of the genes present on the X chromosome. This is why the Y chromosome does not carry any alleles in the same way that the X chromosome does.


What type of chromosome always carry gene for the same trait at the same location on both chromosome?

homologous chromosomes


What alleles do females carry but not males?

Females carry two copies of the X chromosome, while males carry one X and one Y chromosome. This means that females can have two different alleles for genes located on the X chromosome, while males can only have one allele for those genes.


What are the x and y chromazones?

The Y chromosome is the male sex chromosome, but males also carry a X chromosome from their mother. XY. The female sex chromosome is the Y chromosome; YY is female. ( generally, as sex chromosome number in both sexes can vary )


What is the Specific units of a chromosome that carry individual traits?

genes


What chromosomes carry triple x syndrome?

chromosome 21


Can men be carriers?

Yes, men can be carriers of certain genetic conditions, particularly those linked to genes located on the X chromosome. Since men have only one X chromosome (paired with one Y chromosome), if they inherit a recessive mutation on that X chromosome, they will express the condition rather than just carry it, unlike women who have two X chromosomes. However, men can carry and pass on mutations for autosomal recessive conditions if they inherit one mutated copy of a gene from one parent.


Why can women be a sex-linked genetic disorder but a male cannot?

Women can carry or have a sex linked (x-linked) genetic disorder. Males cannot be carriers, they either have the disorder or they don't: this is because the male has only one X chromosome.


Who are more color blind men or women?

Men are more likely to be color blind than women. This is primarily due to the fact that color blindness is often linked to the X chromosome, and since men have one X and one Y chromosome, a single recessive gene for color blindness on their X chromosome can result in the condition. Women, having two X chromosomes, are less likely to express color blindness unless both of their X chromosomes carry the gene for it. Consequently, approximately 8% of men and only about 0.5% of women are affected by color blindness.