Which scientist described inclusive fitness as the effect an individual has on propagating its alleles through its own reproduction and through kin selection?
A. Darwin
B. Hamilton
C. Mendel
D. Tinbergen
E. Wallace
Answer: B
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Your phagocytes produce transmembrane proteins called toll-like receptors (TLR), but your mast cells do not because _____________
A. your phagocytes carry the genetic information to make TLRs but your mast cells do not. B. your phagocytes run transcription and translation but your mast cells only run transcription. C. some of your body's cells contain ribosomes but most do not. D. your phagocytes express some genes that are not expressed in your mast cells (and visa versa).
Marfan syndrome can be caused by mutations in either of two genes involved in the disorder, but mutations in one of the genes blocks activity of the other. This means that Marfan syndrome demonstrates
A) variable expressivity and complete penetrance. B) an acquired phenotype. C) late onset and early onset. D) genetic heterogeneity and epistasis.
The structure of DNA is often described as a twisted ladder. The rungs of the ladder represent the sugar phosphate chains. Is this an accurate description? Why or why not?
What will be an ideal response?
Following the decline of cheetahs, the population would more likely adapt to environmental change.
a. true b. false