Which offspring inherit all their mitochondrial DNA from their mother and none from their father?
A. both sons and daughters
B. daughters
C. sons
D. neither sons nor daughters
Answer: A
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The basis of cellular differentiation is
a. the operon b. selective gene expression. c. cloning. d. mutation.
An inherited skeletal disorder associated with defective collagen in bone tissue is
a. osteogenesis imperfecta. b. rheumatoid arthritis. c. osteoarthritis. d. osteosarcoma. e. osteochondritis.
Alfalfa plants occur symbiotically with bacteria that can convert nitrogen gas to ammonium in a process called ________
A) nitrogen fixation B) fertilizers C) nitrification D) nitroprocessing
Which of the following Hardy-Weinberg principle is least characteristic of the human population? a. Mutations never occur. b. The population is infinitely large. c. The population is isolated from all other populations of the species. d. Mating is generally random (no set of traits are consistently selected for/against in mating.) e. Natural selection does not occur.
What will be an ideal response?