Two forms of hemophilia are determined by genes on the X chromosome in humans. Assume that a phenotypically normal woman whose father had hemophilia is married to a normal man. What is the probability that their first son will have hemophilia?
What will be an ideal response?
1/2
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If immersion oil was replaced with water, what would happen?
A. The refractive index of water would be greater than air but less than oil, improving resolution less than oil. B. The refractive index of water would be less than that of air, decreasing resolution. C. The refractive index would increase, improving resolution. D. There would be no difference.
Bulk flow of organic compounds is indicated by letter ____
a. A b. B c. C d. D e. E
In rabbits, there are four alleles at the c locus. Arranged in dominance sequence, they are:C
(agouti) cch (chinchilla) ch (Himalayan) and c (albino) (a) Is it possible to cross two agouti rabbits and produce both chinchilla and Himalayan offspring? (b) Is it possible to cross two chinchillas and produce 1/2 chinchilla and 1/2 Himalayan? What will be an ideal response?
DNA codes for the sequence of amino acids in the primary structure of a protein, but not for sugars or lipids. This is because
What will be an ideal response?