Could two individuals who were heterozygous for the Huntington's allele have a normal child?
a. Yes
b. No
a
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The above figure reveals which of the
following about the organism that it was obtained from? a. Genes present b. Age c. Deceased or living d. Total number of genes e. Number of homologous pairs
Apple maggot flies appear to be two separate races. What makes these races different?
A) They look different. B) They eat different foods. C) They have different allele frequencies. D) They mate at different times.
In studies done in rats, serotonin:
(a) shifted food preferences towards fatty foods (b) increased the amount of food consumed during each meal rather than increasing the number of meals (c) enabled rats to resist the powerful attraction of highly palatable cafeteria diets (d) reduced the volume of food consumed during each meal by shifting food preferences toward fatty foods
Answer the following questions true (T) or false (F)
1. Nearly half the antibiotics used in the United States go into animal feed as growth stimulants. 2. Malaria is caused by a bacterium. 3. Most protists are unicellular.