The columns in Figure 15-3 represent F (for female), C (for children), and M (for male). The presence of the band marked with arrow #1 shows that:
a. this DNA sequence was inherited by both children from their father.
b. this DNA sequence was inherited by both children from their mother.
c. this DNA sequence was inherited by only one child from the father.
d. this DNA sequence was inherited by only one child from the mother.
e. individual M is not the father of these children.
C
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The internal body fluids of an osmoconformer can best be described as having:
A. roughly the same total solute concentration as the external environment. B. a higher solute concentration than the external environment. C. a lower solute concentration than the external environment. D. all of the same concentrations of particular ions as the external environment. E. None of the answer options is correct.
Many sponges are hermaphroditic, which means that
a. both males and females are filter feeders. b. both males and females produce sperm. c. a single individual produces both sperm and eggs. d. only males have flagellae. e. both males and females produce gemmules.
A(n) ________ is a group of similar cells that perform the same function
Fill in the blank(s) with correct word
A warmed flask of water is analogous to the Miller-Urey experiment, which of the following is analogous to primordial Earth?
a. a strongly reducing atmosphere b. lightning c. a primeval sea d. water vapour