A couple has a child who is diagnosed with Tay-Sachs disease. Both the father and mother are carriers (heterozygous for the disorder). Using the Punnett square, it can be estimated that the probability of them having a child with Tay-Sachs disease is:
A. 1/4
B. 2/4
C. 3/4
D. 4/4
A. 1/4
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Discuss and evaluate the various theories on the evolution of bipedalism.
What will be an ideal response?
What is a taxonomy?
A. a set of selective forces enacted on one lineage B. a classification scheme where organisms are assigned to categories C. an adaptive trait due to convergent evolution D. a way to define an organism's repertoire of social behaviors E. a trait inherited from a common ancestor
Which of the following primate traits are believed to have been selected for life in trees?
A. larger females and gentle males B. meat eating and aggression C. fingernails (instead of claws) and soft fingertips D. fewer offspring and bipedalism E. stereoscopic vision and an opposable thumb
According to Leslie White's theory of the evolution of sociocultural systems, the most highly evolved culture would be one __________
A. using nuclear energy to generate electricity B. dependent upon animals to pull plows C. with industries powered by coal and steam D. based on the use of human labor alone