Four of the following statements about Neanderthals are true. Which statement is false?
a. Neanderthals diverged from modern humans around 500,000 years ago.
b. Neanderthals lived in Europe and the Near East.
c. Neanderthals are direct ancestors of Homo sapiens.
d. Neanderthal brains may have been larger than those of modern humans.
e. Neanderthals have no modern descendants.
ANSWER: c
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A) ssDNA genome becoming a dsDNA genome B) loss of genes that make coat proteins C) replacing the segment of non-coding DNA in its genome with an indispensible gene D) switch from lysogenic to lytic lifestyle
A linear stretch of DNA that specifies the
sequence of amino acids in a polypeptide is called a(n) a. codon. b. intron. c. messenger. d. gene. e. enzyme
The source of most mitochondrial DNA an organism inherits is ________
A) the nucleus of the sperm B) the nucleus of the egg C) the cytoplasm of the sperm D) the cytoplasm of the egg E) None of these choices
Which of the following is NOT evidence that supports evolutionary theory?
A. fossil links between species B. vestigial structures C. analogous structures D. embryonic development E. shared DNA sequences