Genotype refers to
A) the number of alleles of a gene that a person has.
B) the combination of alleles for a particular gene.
C) a person's entire genome sequence.
D) the appearance of a trait.
B) the combination of alleles for a particular gene.
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Mutations are _____________.
A.usually weeded out of a population. B.usually neutral. C.usually beneficial. D.necessary for evolution. E.usually detrimental.
The two interesting types of people who led researchers to discovery of the SRY gene were
A) physicists and chemists. B) XX males and XY females. C) XY males and XX females. D) XXX females and XYY males.
Outside the CNS, groups of neuronal cell bodies that are clustered together to perform basic functions are known as
A. spinal cords. B. somata. C. nerves. D. nerve nets. E. ganglia.
The definition of a genetically modified organism is an organism carrying a gene that was acquired by artificial means.
a. true b. false