As part of his or her job, a genetic counselor may do all of the following except
a. analyze family pedigrees.
b. advise a couple to have direct testing for altered proteins.
c. advise a couple to have DNA testing.
d. predict the chances of a couple having a child with a specific trait.
e. tell a couple not to have children
E
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A person is genotypically blood type A. However, this individual also does not produce the lipid to which N-acetylgalactosamine is added, so the lipid is therefore not expressed on the surface of erythrocytes. This situation is known as the Bombay phenotype. When tested, this person will appear to be blood type
A) A. B) B. C) AB. D) O.
The ____ is/are involved in the synthesis of lipids
a. rough endoplasmic reticulum b. Golgi complex c. smooth endoplasmic reticulum d. ribosomes e. nucleoli
What do biologists use in order to identify
clones that contain the DNA fragment of interest?
a. probes b. plasmids c. templates d. primers e. ligases
In rabbits, spotted coat (S) is dominant to solid color (s) and black (B) is dominant to brown (b). A true-breeding black spotted rabbit is mated to a true-breeding brown solid rabbit to produce a heterozygous F1 generation. Two F1 individuals are mated, and you do not see a 9:3:3:1 (black spotted: black solid: brown spotted: brown solid) ratio of offspring, but instead see that almost all offspring are a non-recombinant phenotype. This tells you that
A. that fur pattern (spotted vs. non-spotted) and fur color are maternally inherited. B. that the genes for fur pattern (spotted vs. non-spotted) and fur color assort independently. C. that the genes for fur pattern (spotted vs. non-spotted) and fur color are on different chromosomes. D. that the genes for fur pattern (spotted vs. non-spotted) and fur color are on the same chromosomes. E. that the genes for fur pattern (spotted vs. non-spotted) and fur color are epistatic.