You are genetic counselor, and a couple comes to you with concerns that if they have a child together
it could have cystic fibrosis. Genetic tests reveal that the woman is a carrier for cystic fibrosis but the
man is not. Which of the following would be a correct thing to tell them?
a. Any child that they produce has a 50% chance of having cystic fibrosis, and the rest will
be carriers.
b. All of their offspring will have cystic fibrosis.
c. They should not have any concerns, as no child that they produce should wind up with
cystic fibrosis.
d. No child that they produce should wind up with cystic fibrosis, but each of their offspring
will have a 50% chance of being a carrier.
e. Any child that they produce will have a 25% chance of having cystic fibrosis.
D
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One of the ways that two species can be compared, and information about the genetic basis of human diseases extracted, is by using their sequenced genomes and
A. looking at the allelic differences. B. investigating the introns. C. looking at the conserved sequences. D. exchanging genomic information between them.
Regarding the Gram stain technique, which of the following is the primary stain?
a. Crystal violet b. Safranin c. Iodine d. Carbolfuchsin
RBCs are better known as ________ and WBCs are better known as ________.
A. macrophages; neutrophils B. lymphocytes; monocytes C. leukocytes; erythrocytes D. erythrocytes; eosinophils E. erythrocytes; leukocytes
Which of the following is an exocrine gland?
A. salivary glands B. parathyroid C. adrenal gland D. thymus E. testes