Assume that a dihybrid F2 ratio, resulting from epistasis, was 15:1. If a double heterozygote is crossed with the fully recessive type, what phenotypic ratio is expected among the offspring?

What will be an ideal response?


3:1

Biology & Microbiology

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Blood returning to the mammalian heart in a pulmonary vein will drain first into the

A. left atrium. B. right ventricle. C. right atrium. D. vena cava. E. left ventricle.

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Proteomics

1.refers to the analysis of the entire protein content of a cell. 2.refers to the analysis of all the DNA of a species. 3.looks only at plasmids. 4.studies mRNA levels. 5.uses DNA chips.1

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Which correctly represents the sequence of steps involved to convey sensory information to the CNS?  

A.  stimulation and ion flow through the synaptic cleft B.  neurotransmitter release and interpretation C.  neurotransmitter release and ion flow through the synaptic cleft D.  stimulation, transduction, transmission, and interpretation E.  stimulation, transmission, and neurotransmitter release

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