Suppose that at least one of your parents has Huntington's disease, which is caused by a dominant allele. What are the odds of you inheriting the disorder?

a. 100%
b. 75%
c. 50%
d. 25%


Ans: c. 50%

Biology & Microbiology

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Nori, used to wrap sushi, is:

a. red algae b. green algae c. brown algae d. golden algae e. diatoms

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Photosynthetic organisms using the oxygenreleasing

pathway appeared on earth about ____ billion years ago.

a. 1.3 b. 1.8 c. 2.3 d. 2.7 e. 3.8

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What are the two halves of a duplicated chromosome called?

A) alleles B) centromeres C) homologous chromosomes D) sister chromatids

Biology & Microbiology