What is the probability that two lizards heterozygous for stripes on their tails (Ss) will produce offspring homozygous
for no stripes (ss)?
a. 1
b. 1/2
c. 1/4
d. 1/8
e. 0
c
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List some of the applications of DNA sequencing. What will be an ideal response?
Bryophytes never formed forests (mats, yes, but not forests) because
A) they possess flagellated sperms. B) not all are heterosporous. C) they lack lignified vascular tissue. D) they have no adaptations to prevent desiccation. E) the sporophyte is too weak.
The name of the process that takes place when organic compounds are broken down in the absence of oxygen is
A.) respiration. B.) oxidation. C.) fermentation. D.) photosynthesis.
Infection with HIV is routinely verified using a(n) ________ assay
A) direct fluorescent antibody B) immunodiffusion precipitation C) viral neutralization D) viral hemagglutination inhibition E) immunoblot