The process of fertilization
a. is random in the selection of which gametes fuse.
b. is not random but selects for gametes with a greater number of paternal chromosomes.
c. is not random but selects for gametes with a greater number of maternal chromosomes.
d. is not random but selects for gametes with the fewest mutations.
e. is not a source of genetic variability in progeny.
A
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How was the approach taken by Mendel similar to the approaches taken by modern scientific inquiry?
A) Mendel repeated his experiments. B) Mendel examined both continuous and discrete traits. C) Mendel used the same technical methods that are used today. D) Mendel's experiments challenged no hypotheses that were favored at the time.
Based on the biological hierarchy of organization, which of the following would be more inclusive than a cell?
a. atom b. organism c. molecule d. organelle
Periderm is the functional replacement of the bark
____________________ Indicate whether the statement is true or false.
Phosphorus is an essential element in all living things and is a component of
A. ATP and DNA. B. most amino acids. C. nearly all vitamins. D. carbohydrates.