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Why are sex linked genes inherited differently than non sex linked genes?
Wiki User
∙ 13y ago
In human cells, each cell nucleus contains pairs of chromosomes where one half of the pair is inherited from the mother (in the egg) and the other half inherited from the father (in the sperm).
Sperm and eggs are produced by a special cell division process called 'meiosis' which tears the chromosome pair in the parent's cell nucleus into 2 halves, each half going into a separate sperm or egg.
The sex chromosomes in humans (and may other but not allorganisms) are labeled:-
'X' and 'Y'. Male cells contain the pair 'XY' and Female cell contain the pair 'XX'
Thus when males produce sperm and the chromosome pair is torn in half, 50% end up with the 'Y' half and and 50% with the 'X' half.
If a 'Y' sperm fertilizes the egg the offspring will be male, if the 'X' sperm fertilizes the egg the offspring will be female.
Thus as the sex related genes are found along the length of the sex chromosomes, in males the genes that inherited on the Y chromosome are different from those in females. The key is that the sex linked genes are located on DIFFERENT chromosomes.
Wiki User
∙ 13y ago
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If a characteristic is sex-linked then where is the gene for it found?
Genes for sex-linked traits can be found on the sex chromosomes - X and Y. Almost all sex-linked traits are determined by the X chromosome, because it is much larger than the Y chromosome and can thus carry more genes. A few sex-linked traits are known on the Y chromosome, including - believe it or not - hairy ears.
Most sex-linked genes are found on which chromosome x y?
Many sex-linked genes are found on the X chromosome. More than 100 sex-linked genetic disorders have now been mapped to the X chromosome. The human Y chromosome is much smaller than the X chromosome and appears to contain only few genes.
A gene located on the X or Y chromosome is a?
Genes located on the X or Y chromosome are referred to as sex-linked genes. This is because the inheritance of these genes is dependent upon the sex of the individual. For example, only males can inherit genes located on the Y chromosome (because males have XY and females have XX).
Sex-linked genes are usually found in which chromosome?
Sex linked genes are located on the sex chromosomes.
How can you explain the inheritance of sex-linked traits?
The X chromosome information is expressed than the y chromosome so what ever X chromosome is passed to the male offspring it will be expressed in the male. Rarely it is ever expressed in female offspring because that chromosome with sex-trait is less dominant than the other X-chromosome she has.
How is red-green color blindness inherited?
You can inherit it from your parents, so it is automatically genetic. Color blindness is a recessive trait, so you only inherit it if both your parents carry the gene.
If a characteristic is sex-linked then where is the gene for it found?
Genes for sex-linked traits can be found on the sex chromosomes - X and Y. Almost all sex-linked traits are determined by the X chromosome, because it is much larger than the Y chromosome and can thus carry more genes. A few sex-linked traits are known on the Y chromosome, including - believe it or not - hairy ears.
Most sex-linked genes are found on which chromosome x y?
Many sex-linked genes are found on the X chromosome. More than 100 sex-linked genetic disorders have now been mapped to the X chromosome. The human Y chromosome is much smaller than the X chromosome and appears to contain only few genes.
How to gain my height?
Your height will be mostly a matter of the Genes you inherited and your diet. Not much other than staying healthy that you can do about that.
Why is colorblindness found to be inherited into males more than females?
Most color deficiencies are sex linked, meaning the defective genes are on the sex chromosome. In this case, the X chromosome is affected. Since males only have one X chromosome, all males with this particular defective genes will have this condition. Females have 2 X's, it's unlikely that both X's have bad genes at the same time.
An example of a sex-linked trait?
The best known examples in humans are color-blindness and muscular dystrophy. Males are the ones that are the most vulnerable because the Y chromosome is shorter than the X chromosomes that females have.
Why do X linked genes have a different inheritance pattern than autosomal disorders?
Because ur stupid
What is hybrid inheritance?
I think it means that an animal has inherited genes of more than one animal type, like it's parents are a cross
A gene located on the X or Y chromosome is a?
Genes located on the X or Y chromosome are referred to as sex-linked genes. This is because the inheritance of these genes is dependent upon the sex of the individual. For example, only males can inherit genes located on the Y chromosome (because males have XY and females have XX).
Sex-linked genes are usually found in which chromosome?
Sex linked genes are located on the sex chromosomes.
What is a is a sex-linked trait?
If a gene is found on the X chromosome ( and, less commomly on the Y chromosome), it is said to be a sex-linked trait. Because the gene controlling the trait is located on the sex chromosome, sex linkage is linked to the gender of the individual. Usually such genes are found on the X chromosome. The Y chromosome is thus missing such genes (See Diagram above.). The result is that females will have two copies of the sex-linked gene while males will only have one copy of this gene. If the gene is recessive, then males only need one such recessive gene to have a sex-linked trait rather than the customary two recessive genes for traits that are not sex-linked. This is why males exhibit some traits more frequently than females.
How is sex linked traits are different than autosomal traits?
Sex linked traits are of 2 types X linked ,which are transmitted from maternal grand parent to maternal grand children through carrier daughter , and Y linked are transmitted from father to son , whiles autosomal genes transmit equally among children .
