The process of _______ removes amniotic fluid from a pregnant mother to examine fetal cells for genetic problems
A. amniocentesis
B. chorionic villus sampling
C. preimplantation genetic diagnosis
D. in vitro fertilization
A
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What is the risk associated with the use of biological controls in pest management?
A. pollution caused by chemical pesticides B. loss of pollinating animal species C. the possibility of the biocontrol species becoming invasive D. the evolution of pesticide resistence E. All of the above are risks associated with the use of biological controls.
Please select all of the correct descriptions of candidiasis.
> Candida albicans is always a pathogen for humans. > Candidiasis is a problem only for the immunosuppressed > Candida albicans can be normal flora for women > Candida albicans is a yeast > Anyone, of any age, can have candidiasis >Candida albicans can be normal flora for women >Candida albicans is a yeast >Anyone, of any age, can have candidiasis
Leaf __________ in the fall is an adaptation for flowering plants to survive harsh winters in temperate
climates. a. desiccation b. photosynthesis c. abscission d. growth e. production
Crossing over
A) is followed immediately by separation of each of the chromatids. B) prevents genetic recombination. C) results in only one exchange per homologue. D) increases variability in gametes. E) occurs between sister chromatids.