The phenotypic differences between chimps and humans is best explained by ______________
A. the high variation in number of different genes between the two species
B. the high number of inversion sequences
C. epistatic changes to genes
D. patterns of gene expression and regulation
E. the large amount of “junk DNA” found in chimpanzee genomes
D
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Which of the following describes secondary growth?
A) growth in height B) development of leaves and flowers C) growth of herbaceous tissue D) development of wood and bark E) development of fruit
The scientific name for the black-footed ferret is Mustela nigripes. The name Mustela indicates the ____________ to which this organism belongs
a. class b. family c. genus d. phylum e. species
The control in an experiment ____
a. makes the experiment invalid b. is an additional replicate for statistical purposes c. reduces experimental errors d. minimizes experimental inaccuracy e. allows a standard of comparison for the experimental group
In a certain population, the allele frequencies of the M and N blood group alleles are 0.6 and 0.4,
respectively. How many of a population of 500 would be expected to have MN blood type if the population is in genetic equilibrium for the MN locus? a. 200 b. 220 c. 240 d. 260 e. 300