In Drosophila, vestigial (partially formed) wings (vg) are recessive to normal long wings (vg+) and the gene for this trait is autosomal. The gene for the white-eye trait is on the X chromosome. Suppose a homozygous white-eyed, long-winged female fly is crossed with a homozygous red-eyed, vestigial winged male. a. […]

Phenylketonuria (PKU) is a disease that results from a recessive gene. Two normal parents produce a child with PKU. (a) What is the probability that a sperm from the father will contain the PKU allele? (b) What is the probability that an egg from the mother will contain the PKU […]

2. In the Australian Shepherd, Hereditary Cataracts is an autosomal dominant disorder that results in abnormal clouding of the lenses of the eye. In some Aussies, heterozygous for Hereditary Cataracts, the disease is not always expressed. Based on this information, answer the following questions:a. Provide the terminology that best describes […]

Question: T.J. and Tyler were building a tree-house. While searching for a board in a pile of used lumber, T.J. stepped on a rusty nail that penetrated deep into his foot, causing it to bleed. Neither T.J. nor Tyler wanted to tell their parents about the accident, but after three days, […]