If a population of 1000 individuals has 160 aa genotypes, 320 Aa genotypes, and 520 AA genotypes,
the allele frequency of the dominant allele (A) is:
a. 0.16
b. 0.42.
c. 0.52.
d. 0.68.
e. 0.89.
D
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After many years of testing, an hypothesis becomes accepted as a ____
a. fact b. prediction c. theory d. conclusion e. variable
How does a digested nutrient enter the bloodstream?
A) through a series of large pores in the duodenum B) through tiny blood vessels inside the microvilli C) through the liver D) through small openings in the epithelium of the stomach
Based on your knowledge of how energy is released when carbon switches bonding partners, which molecule is a better energy source?
What will be an ideal response?
What would one call an organism that receives foreign DNA from a different species through genetic manipulation?
What will be an ideal response?