Sex linked trait definition
Inheritance of a recessive X-linked disorder : The son of a woman who is a carrier of a recessive X-linked disorder will have a 50 percent chance of being affected. Any duplication or distribution of the information contained herein is strictly prohibited. Eye color in Drosophila is an example of a X-linked trait : In Drosophila , the gene for eye color is located on the X chromosome. With regard to Drosophila eye color, when the P 1 male expresses the white-eye phenotype and the female is homozygous red-eyed, all members of the F 1 generation exhibit red eyes. However, female carriers can contribute the trait to their sons, resulting in the son exhibiting the trait, or they can contribute the recessive allele to their daughters, resulting in the daughters being carriers of the trait.
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Autosomal Inheritance ( Read ) | Biology | CK Foundation
The body cells of a hamster have 44 chromosomes. One in six American couples are infertile. Recent studies of plant sex chromosome-linked genes have revealed many interesting characteristics, although there are limited reports about heteromorphic sex chromosomes in flowering plants. Fruit flies also have XX females and XY males.
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OpenStax, Biology. Because the Y chromosome only experiences recombination with the X chromosome at the ends as a result of crossing-over , the Y chromosome essentially is reproduced via cloning from one generation to the next. Subsequently, we still share most of our genes. Some species, such as some snails, practice sex change adults start out male, then become female. Please be aware that this might heavily reduce the functionality and appearance of our site.
Related terms Chromosome Dominant allele Recessive allele Sex chromosome. Examples of X-linked conditions include Haemophilia and Duchenne muscular dystrophy. The F 2 consists of one-half red-eyed and one-half white-eyed flies of both sexes.