Definition of 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. Morgan discovered a recessive mutation allele that caused white eyes. A single mutation in the prM protein of Zika virus contributes to fetal microcephaly.

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Instead of all red eyed progeny, he saw that all the females had red eyes and all the males had white eyes.

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The Y chromosome is thus missing such genes See Diagram above.

When Morgan mated a red eyed female to a white eyed male, all the progeny had red eyes. Recall that all the patterns of inheritance observed by Mendel, including the principle of segregation and the principle of independent assortment are explained by the behavior of chromosomes during meiosis.

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Females would have to be homozygous recessive in order to have red-green colorblindness. Group Competitiveness of GM Mosquitoes. Instead of all red eyed progeny, he saw that all the females had red eyes and all the males had white eyes.
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1 comments
  1. A single mutation in the prM protein of Zika virus contributes to fetal microcephaly. 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.