The secretion of pepsinogen and HCl is controlled by the hormone
A. insulin.
B. gastrin.
C. pepsin.
D. secretin.
E. cholecystokinin.
B. gastrin.
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A trait with variable expressivity is one that:
A. is only expressed in homozygous recessive individuals. B. is only expressed in homozygous dominant individuals. C. is only expressed in some of the individuals that have the genotype for that trait. D. is expressed in only some offspring of affected individuals. E. can be expressed differently in different individuals that have the genotype for that trait.
Forced inhalation is indicated by ____
a. A b. B c. C d. D e. E
Sweat can cause damage to bacteria because it contains salt and lysozyme.
Answer the following statement true (T) or false (F)
Consider a population with two loci each (A, B) with two alleles (A, a; B, b). What are the haplotype frequencies in this population if the allele frequencies are as follows: A = 0.5, a = 0.5, B = 0.7, b = 0.3?
a. AB = 0.35, Ab = 0.15, aB = 0.35, ab = 0.15 b. AB = 0.7, Ab = 0.1, aB = 0.1, ab = 0.1 c. AB = 0.25, Ab = 0.25, aB = 0.25, ab = 0.25 d. AB = 0.125, Ab = 0.25, aB = 0.25, ab = 0.125 e. cannot be determined based on the information provided