Which ratio would indicate that a phenotype is controlled by multiple genes?
A) 3:1
B) 2:1
C) 1:2:1
D) 9:3:3:1.
D) 9:3:3:1.
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Resistance of sickle cell disease carriers to malaria illustrates
A) genetic drift. B) a population bottleneck. C) balanced polymorphism. D) a founder effect.
Cerebrospinal fluid ____
a. bathes the peripheral nervous system b. is continuous with the lymph system c. is formed from water and solutes that have left capillaries in the brain d. is the solvent that comprises the cytosol of neurons e. is stored in the ventricles
If black fur color is controlled by a dominant allele (B) and brown by its recessive allele (b), give the
genotypes of the parents and offspring of a cross of a black male with a brown female that produces 1/2 black offspring and 1/2 brown offspring. What will be an ideal response?
Which part of the ATP molecule breaks free of the rest when an ATP molecule is used for energy
A) Part A
B) Part B
C) Part C
D) Part D