In this figure, the genotype of the resistant parental bollworms is ___ while the susceptible parental bollworms have a ___ genotype. Select one:
a. RR; Rr
b. Rr; rr
c. RR; rr
d. Rr; RR
e. rr; RR
e. rr; RR
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Only 2.5% of the human genome actually codes for proteins. The other 97.5% includes:
A. noncoding RNA. B. repetitive DNA. C. introns. D. All of the answer options are correct. E. None of the answer options is correct.
You are a doctor who examines a swollen and warm puncture wound on the hand of a patient. Next door, a vet examines the same puncture wound on the foot of a dog. Are you and the vet seeing the same immune responses?
A. Yes, because dogs have innate immune systems but not adaptive immune systems. B. Yes, because dogs have adaptive immune systems but not innate immune systems. C. No, because the immune response is unique to humans. D. Yes, because vertebrates have both adaptive immune systems and innate immune systems. E. No, because the foot of a dog is a completely different structure than the hand of a patient.
What mechanism explains evolution by discussing variations in a population that allow it to match its environment?
a. Artificial selection b. Origin of species c. Beneficial adaptations d. Natural selection
Which is a byproduct of photosynthesis?
a. water b. light c. glucose d. oxygen e. carbon dioxide