Two Martians fall in love and marry. One Martian is homozygous for red eyes and the other is
heterozygous. The recessive eye color is purple. What are the chances that the alien couple will have a
child with red eyes?
a. 1
b. 1/2
c. 1/4
d. 3/4
e. 0
A
You might also like to view...
A microRNA is ________ bases long.
A) 2 or 4 B) 12 or 13 C) 21 or 22 D) 100 or 110
All microscopes have objective "lenses."
a. True b. False
Distances on genetic maps are measured in ____________________ and distances on physical maps are measured in
____________________. Fill in the blank(s) with the appropriate word(s).
In Leber's disease (LHON), degeneration of the optic nerve results in blindness due to a defect in NADH dehydrogenase affecting electron transport
If this is due to a mutation in a mitochondrial gene, which combination of the following effects would you expect to see when doing a pedigree analysis of a family with LHON? i. variable expressivity ii. incomplete penetrance iii. progressive blindness over time iv. maternal inheritance v. diminished muscle mass A) i and ii only B) ii and iii only C) iii and iv only D) i, ii, iii, and v only E) i, ii, iii, and iv only