Homoplasies are the result of convergent evolution
a. True
b. False
ANSWER: True
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A human cell has
A) 22 pairs of sex chromosomes and one pair of autosomes. B) 22 pairs of autosomes and one pair of sex chromosomes. C) 23 pairs of autosomes. D) 23 pairs of autosomes and a pair of Y chromosomes.
Mitochondrial disorders tend to cause great fatigue because
A) nerve cells are filled with mitochondria. B) muscle cells are normally filled with mitochondria. C) affected cells do not use their mitochondrial DNA. D) lysosomes dismantle the mitochondria in muscle cells.
The cell itself begins to elongate during which phase of meiosis?
a. prophase I b. metaphase I c. anaphase I d. telophase I e. metaphase II
The yolk of an animal egg has what type of analog in angiosperms?
A) endosperm B) carpels C) fruit D) seed coat