A severe social anxiety disorder that is characterized by extreme fears and avoidance of social situations is known as _____.?
a. Loneliness
b. Social phobia
c. Shyness
d. Social rejection
e. intorversion
Answer: b. Social phobia
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Crossing over creates new ________
a. combinations of alleles b. alleles c. zygotes d. chromosomes
Julie has a genetic disorder. Julie and her husband, Shane, have three children, none of which have the genetic disorder. How is this disorder most likely inherited?
A. autosomal recessive B. The environment influences the trait instead of the genetics. C. autosomal dominant D. 100% inheritance from the father since the children are not affected. E. heterozygous dominant
Which of the following is an example of Müllerian mimicry?
A) walking sticks that resemble twigs B) stinkbugs that produce a noxious odor C) flounders whose colors resemble the sea floor D) wasps with black and yellow bands
In a life cycle such as that shown in part III of the figure above, if the zygote's chromosome number is 10, which of the following will be true?
A) The sporophyte's chromosome number per cell is 10 and the gametophyte's is 5. B) The sporophyte's chromosome number per cell is 5 and the gametophyte's is 10. C) The sporophyte and gametophyte each have 10 chromosomes per cell. D) The sporophyte and gametophyte each have 5 chromosomes per cell.