Amniocentesis is _____
a. a surgical means of repairing deformities
b. a form of chemotherapy that modifies or inhibits gene expression or the function of gene products
c. used in prenatal diagnosis to detect chromosomal mutations and metabolic disorders in embryos
d. a form of gene replacement therapy
e. commonly performed on newborns
ANSWER: c
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Which scientific objective is LEAST related to microbial genetics?
A) determining the ancestral origin of a recently discovered bacterium B) identifying mutations in a bacterial population C) identifying quorum sensing interactions among bacteria D) manipulating a microorganism for bioremediation
The USDA requires that food products from genetically modified organisms be clearly labeled as such
a. True b. False Indicate whether the statement is true or false
Sexually transmitted diseases are a major cause of infertility. Knowing this, what method of birth control would you think is best for reducing infertility rates?
A. diaphragm B. condoms C. IUDs D. oral contraceptives E. vasectomy
In comparing a frog cell in metaphase of mitosis with one in metaphase I of meiosis, how would tell you which was which?
A) In mitosis, the chromosomes would be unduplicated (single-stranded) and in meiosis, they would be double-stranded (made up of sister chromatids). B) In meiosis, the chromosomes would be unduplicated (single-stranded) and in mitosis, they would be double-stranded (made up of sister chromatids). C) Unlike meiosis, in mitosis each chromosome would be paired with its homolog. D) Unlike mitosis, in meiosis each chromosome would be opposite its homolog.