Which boxed area in the generalized karyotype
illustration represents a pair of sex chromosomes?
a. A
b. B
c. C
d. both A and B
e. none of these
Answer: c
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Which of the following sequences contain a six-nucleotide inverted repeat?
A. GTCACGCGACGATACGGTCACG B. GTCACGACTAGCCTAGTCGCTG C. GTCACGACTAGCCATCAGCCTG D. GTCACGACTAGCCCGACTAGTG
________ can be defined as the fraction of the variation in a population that is due to differences in genes
Fill in the blank(s) with correct word
Seasonally flooded, forested wetlands along river systems are referred to as bottomlands or ________ woodlands
Fill in the blank(s) with correct word
Assuming no gene linkage, in a dihybrid cross of AABB x aabb with AaBb F1 heterozygotes, what is the ratio of the F1 gametes (AB, aB, Ab, ab) that will give rise to the F2 offspring?
a. 1111 b. 1331 c. 1221 d. 4321