The principle of independent assortment states that
a. one allele is always dominant to another.
b. hereditary units from the male and female parents are blended in the offspring.
c. the two hereditary units that influence a certain trait segregate during gamete formation.
d. each hereditary unit on one chromosome is inherited separately from hereditary units on
other chromosomes.
e. genes on the same chromosome travel separately.
D
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a. veins running parallel to the length of leaves b. a circular root system with a tap root c. pollen with three furrows d. flower parts arranged in multiples of four
Which of the following is NOT a function of the lymph vascular system?
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Rosalind Franklin used which technique to determine many of the physical characteristics of DNA?
A) transformation B) X-ray diffraction C) transmission electron microscopy D) density-gradient centrifugation
Why do heterotrophs require "food" for survival?
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