Alternate forms of the same gene
a)do not exist.
b)are alleles.
c)are homologs.
d)are sister chromatids.
e)do not occur in the same individual.
b)are alleles.
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Root hairs are the extensions of the
a. apical meristem. b. epidermal cells. c. pericycle. d. vascular bundles. e. root cap
Why are chromosomes more easily visible under the microscope during metaphase as compared to G2 phase?
What will be an ideal response?
The elongation of stems is stimulated by
A. auxin and gibberellin. B. auxin only. C. ethylene only. D. auxin and ethylene. E. gibberellin only.
If we follow a population through time and observe that allele frequencies change or genotypic frequencies change in this population, we can conclude:
a. the population size is small. b. selection is operating on the locus. c. mating is non-random. d. Any of the above. e. All of the above.