The largest human autosome is chromosome ________ and the smallest is chromosome ________
A) 1, 22
B) 1, 21
C) 1, Y
D) X, 22
E) None of these
B
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Oncogenes are ____ to ____
a. dominant; proto-oncogenes b. recessive; proto-oncogenes c. incompletely dominant; proto-oncogenes d. dominant; tumor suppressor genes e. recessive; tumor suppressor genes
Which of the following is the genetic condition observed in the woman on the left in the above figure?
a. Huntington’s disease b. achondroplasia c. triple recessive condition d. galactosemia e. muscular dystrophies
Which is NOT part of the nitrogen cycle?
a. denitrification b. deammonification c. nitrogen fixation d. ammonification e. uptake by autotrophs
The X and Y chromosomes ____
a. are responsible for autosomal recessive inheritance b. will lead to color-blindness in all carriers c. are found paired with all 22 autosomal chromosomes d. are responsible for albinism e. play major roles in determining the sex of an individual