Which of the following is NOT a single gene
trait?
a. cleft chin
b. attached earlobes
c. dimples
d. red hair
e. brown skin
E
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All of the following are true statements about events that occur in the apicomplexan life cycle EXCEPT
A. The haploid and diploid generations alternate. B. The sporozoite is the motile infective stage. C. Often two completely different organisms host different stages of the life cycle. D. The life cycles include both sexual and asexual stages. E. There is no exception here. All of these statements are true.
The tool(s) that enables researchers to study the structure and function of cells are
_____ magnifying glasses. _____ TEM. _____ tunneling assays. _____ microscopes. _____ microarrays.
Which of the choices best describes macroevolution?
A) Individuals with one genotype reproduce more than individuals with another genotype in a population. B) Mutation creates new alleles that are dominant. C) A new species emerges. D) Dominant and recessive allele frequencies are in equilibrium in a population.
The brain and nervous system of a developing embryo can only be damaged during the very early stages of
development. a. True b. False