How could a man with blood type A and a woman with blood type B produce a child with blood type O?
What will be an ideal response?
They must both be heterozygous, with i as one of the two alleles (IA/i and IB/i). The child would have to receive an i allele from each parent and be genotype i/i.
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Planar molecules used as chemical mutagens are called
A. nitrous oxide. B. base analogs. C. alkylating agents. D. intercalating agents.
Coevolution is
A. the evolution of coenzymes. B. two species reciprocally influencing each other's evolution. C. random evolution not influenced by natural selection. D. evolution of secondary metabolites according to fixed ratios. E. coordinated evolution of sensory and motor pathways.
Argentine fire ants entered the United States in
the a. 1920s. b. 1930s. c. 1940s. d. 1950s. e. 1960s.
Plants that carry out the Calvin cycle during the day when the stomata are closed and fix carbon dioxide into organic acids at night when the stomata are open are called:
a) green algae. b) C3 plants. c) C6 plants. d) CAM plants. e) chemoautotrophs.