Mendel's dihybrid crosses (but not his
monohybrid crosses) showed that
a. some genes were linked together.
b. the two alleles controlling a trait were
divided equally among the gametes.
c. alleles for different traits were inherited
independently.
d. one of the pair of alleles is dominant to the
other.
e. the crossing of two different homozygous
forms will not produce any offspring in the
first generation that would look like either
of the parents.
C
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The six carbons that form glucose in your food are effectively lost from the cell as CO2
A. during the Krebs cycle as intermediate molecules are rearranged. B. during the oxidation of pyruvate to acetyl CoA, and in the Krebs cycle. C. as pyruvate is oxidized to form acetyl CoA. D. when the glucose is initially broken apart in glycolysis. E. each time ATP synthase phosphorylates ADP.
Which nucleotide is added to the end of a completed messenger RNA transcript?
a. adenine b. thymine c. cytosine d. guanine e. alternating adenine and thymine
Various forms that a single gene can take at a given locus are called
a. kinetochores. b. alleles. c. autosomes. d. loci. e. chromatids.
Which statement about asexual reproduction is true?
a. The advantage of asexual reproduction is that it results in new gene combinations. b. Two parents are required for successful asexual reproduction. c. The process of meiosis takes place in the parent and results in four haploid cells. d. The offspring of asexual reproduction are genetically identical to the parent. e. Asexual reproduction requires the fusion of two haploid gametes.