What is the main premise of the blending theory of inheritance that predominated before 1900?
a. We inherit traits from only one parent.
b. Traits are inherited via a mixing of parental blood.
c. Parental chromosomes undergo recombination to produce blended chromosomes in their offspring.
d. Traits may skip a generation due to the blending of paternal and maternal phenotypes.
e. Paternal and maternal chromosomes separate independently in meiosis, creating gametes with a blend of
paternal and maternal chromosomes.
ANSWER: b
You might also like to view...
When rural communities evolve in urban areas, they are often called
A. Rural enclaves B. Urban islands C. Rural keys D. Rural territories
Which of the following statements DOES NOT characterize decomposers?
A. They feed on nonliving organic matter. B. They play an important role in nutrient cycling. C. They break down wastes. D. They release nutrients that other organisms can use. E. They synthesize organic molecules.
Which of the following must be true for a female to have hemophilia?
a. Her mother is not a carrier and her father has the disease. b. Her mother is homozygous normal and her father is a carrier. c. Her father and mother are heterozygous. d. Her mother is a carrier and her father has the disease. e. Her father is heterozygous.
If immersion oil was replaced with water, what would happen?
A. The refractive index would increase, improving resolution. B. There would be no difference. C. The refractive index of water would be less than that of air, decreasing resolution. D. The refractive index of water would be greater than air but less than oil, improving resolution less than oil.