What do you know about atomic mass? How does it relate to the question?
What will be an ideal response?
The masses of a proton and of a neutron are both 1.
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Sheree is referred to a genetic counselor because a cystic fibrosis (CF) test done as a routine part of her prenatal care indicated that she is a carrier of the most common mutant allele. Sheree is stunned, because no one in her family has the disease. She is 26 years old. The genetic counselor would most likely
A) explain autosomal recessive inheritance and suggest that Sheree's husband be tested for CF. B) explain autosomal dominant inheritance and suggest that Sheree's husband be tested for CF. C) explain autosomal recessive inheritance and suggest that Sheree's parents be tested for CF. D) advise Sheree to have amniocentesis to check the fetus for the CF genotype.
The first amino acid of a new polypeptide chain is
a. alanine. b. cysteine. c. variable. d. phenylalanine.
e. methionine.The lipids that cannot be synthesized by the liver are classified as ____
a. saturated fats b. unsaturated fates c. essential fatty acids d. cholesterol e. trans fatty acids
Two populations experience equally severe bottlenecks, reducing each to one-tenth of its original size. One population is in the bottleneck for one generation, and the other is in the bottleneck for five generations
You assess the heterozygosity of both populations after they have been restored to their prebottleneck size. What do you expect to find, and why?