Jeff's father has Huntington disease, which is caused by a rare autosomal dominant allele (H ). Two-thirds of people with the dominant Huntington allele show no symptoms by age 50, and Jeff is 50 and has no symptoms. Jeff's wife is is pregnant. What is that chance that Jeff's child will eventually show symptoms of Huntington disease?
a. 1/8
b. 1/4
c. 1/5
d. 1/6
e. 1/12
f. 1/24
g. 2/3
Which one?
Answers: 1
Biology, 22.06.2019 01:40, warnene17
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
Answers: 1
Biology, 22.06.2019 06:40, keenansimpkinsoy0oqc
Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry
Answers: 3
Jeff's father has Huntington disease, which is caused by a rare autosomal dominant allele (H ). Two-...
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