If carrier testing determines that one parent is a heterozygous carrier of an autosomal recessive genetic defect, while
the other parent is not a carrier, then the fetus has a(n) ____________________ % chance of being affected. Fill in the blank(s) with the appropriate word(s).
0
zero
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Why was the pea plant an ideal plant for Mendel to use?
A. simple traits that are easy to identify B. low numbers of offspring produced C. generation time that is several years D. expensive and time-consuming to grow E. All of the answers are correct.
Companion cells are connected via plasmodesmata to
a. trichomes. b. tracheids. c. sieve tube members. d. guard cells. e. vessel members.
_____ is performed to detect genetic disorders and birth defects in a fetus
a. Carrier testing b. Prenatal testing c. Genetic screening d. Gene therapy e. Enzyme replacement therapy
Novocain, or procaine, is a chemical that dentists use to numb your mouth before drilling. The chemical blocks the sodium gates on sensory neurons, preventing them from opening. Describe how this chemical decreases (One hopes!) the perception of pain
What will be an ideal response?