Hemophilia is a sex-linked recessive trait. Imagine a case o…
Hemophilia is a sex-linked recessive trait. Imagine a case of a woman who is not a hemophiliac (she has normal blood clotting), but her father was a hemophiliac. She marries a man who is also not a hemophiliac. What is the probability for their children of being hemophiliacs?
Read DetailsUntil the 19th century, all peppered moths (Biston betularia…
Until the 19th century, all peppered moths (Biston betularia) observed around Manchester, England, were light in color. In 1845, a single black peppered moth was reported. As Manchester became more industrialized, the frequency of black moths increased greatly. The change in proportion of light and dark forms most likely resulted from:
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