The human has __________ sets of autosomal chromosomes. What will be an ideal response?
22
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The markers that identify an individual's cells are referred to by the letters
a. MHC. b. HTC. c. ADS. d. RSW. e. AKA.
If you were using cladistics to build a phylogenetic tree of cats, which of the following would be the best outgroup?
A) lion B) domestic cat C) wolf D) leopard
Which of the following pairs of structure are homologous?
A. wing of a dragonfly and wing of a hawk. B. wing of a dragonfly and forelimb of a flying squirrel. C. pectoral fin of a shark and front flipper of porpoise. D. forelimb of a dog and forelimb of a horse. E. wing of a bluejay and front flipper of a porpoise.
Which of the following statements about infanticide
is true? a. It may decrease the reproductive success of the male lion that carries it out. b. It occurs in very few human cultures. c. The presence of a male unrelated to a child in an American household and the absence of the biological father significantly increase the child’s risk of dying by age two. d. A mother might decrease her fitness by infanticide in a situation where resources or social attachments are absent. e. None of these are true.