Definition Of Sex Linked

A functional unit of heredity that occupies a specific place Definition Of Sex Linked on a chromosome, is capable of reproducing itself exactly at each cell division, and directs the formation of an enzyme or other protein. Sometimes it is advantageous to establish the sex of a foetus in order to assess the possibility of handicap, for example, where there is a risk of transmitting a sex-linked hereditary disease such as haemophilia. The gene as a functional unit consists of a discrete segment of a giant DNA molecule containing the purine adenine and guanine and pyrimidine cytosine and thymine bases in the correct sequence to code the sequence of amino acids of a specific peptide. Changes in the nucleotide sequence of a gene, either by substitution of a different nucleotide or by deletion or insertion of other nucleotides, constitute mutations which add to the diversity of animal species by creating different alleles and can be used Post Adult Ads a basis for genetic selection of different phenotypes. Alzheimer's risk and gender:



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Definition Of Sex Linked
Definition Of Sex Linked

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An example of a trait determined by a dominant gene is brown eye color. Color blindness in humans is a sex-linked trait. These alternative forms of gene, both within and between individuals, are called alleles.
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