Which of the following syndromes is
characterized by a karyotype with 45
chromosomes?
a. Turner
b. Down
c. androgen insensitivity
d. Klinefelter
e. cri-du-chat
A
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Regarding the viral membrane of an enveloped virus, the lipids are derived from the ________, and the proteins are encoded by ________
A) host's cell membrane / viral genes B) virion / viral genes C) host's cell membrane / host's genes D) virion / host's genes
Within the vestibular system of vertebrates, hair cells help detect movement when their cilia are bent by
A. otoliths. B. statoliths. C. the tectorial membrane. D. the basilar membrane. E. gravity.
In the lac operon, what acts as the inducer?
A) glucose B) permease C) allolactose D) ?-galactosidase E) transacetylase
Which of the following states (in modern terms) that a diploid cell has two alleles of every gene-one on each homologous chromosome-that are distributed into separate gametes during meiosis?
A. Law of segregation B. Monohybrid cross C. Law of independent assortment D. Testcross E. Allelic inheritance