SEX-LINKED INHERITANCE. Objectives. Meet with Thomas Hunt Morgan Define Sex Linkage Define Sex linkage in Drasophila melaganester Describe Hemoplia , colourblidness and Muscular dystrophies. SO WHAT IS SEX LINKED INHERITANCE ??. Thomas Hunt Morgan.
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Q1-In a cross between a white-eyed female fruit fly and red-eyed male, what percent of the female offspring will have white eyes? (White eyes are X-linked, recessive)
Hemophilia is a rare bleeding disorder in which the blood doesn't clot normally.
If you have hemophilia, you may bleed for a longer time than others after an injury.
The picture on the rightis how people with blue yellow color blindness see things.
the recessive, sex-linked trait causing red-green color blindness
(or alternatively, hemophilia), marries a normal male. What
proportion of their male progeny will have red-green color
blindness (or alternatively, will be hemophiliac)?
Q3:A human female "carrier" who is heterozygous for the recessive, sex-linked trait red color blindness, marries a normal male.
What proportion of their female progeny will show the trait?
Muscular dystrophy (MD) is a genetic disorderthat gradually weakens the body's muscles.
Additionally, numerous genes whose expression yields enzymes are sex-linked. Glucose-6-phosphate dehydrogenase and hypoxanthine-guanine-phosphoribosyltransferase are two examples.
In the latter case, the Lesch-Nyhan syndrome results from the mutant form of the X-linked gene product.
1. excessively hairy