What technique can be used to detect genetic defects in early stage embryos, prior to implantation?

a. genetic screening
b. chorionic villus sampling
c. PGD
d. amniocentesis

e. micromanipulation


c

Biology & Microbiology

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Which of the following is not a helminth that causes primarily intestinal symptoms?

A. Diphyllobothrium latum B. Taenia solium C. Trichuris trichiura D. Enterobius vermicularis

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The top priority for energy allocation in animals is

a. maintenance metabolism. b. growth. c. reproduction. d. storage. e. energy allocation is equal to these functions.

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The temperature does not go below freezing in the 

A. desert. B. temperate grassland. C. tropical rainforest. D. desert or the tropical rainforest.

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Which of the following is part of the apoplast?

A. Cell wall B. Plasma membrane C. Plasmodesma D. Cytoplasm

Biology & Microbiology