For many mammals, egg laying is a character that has been replaced by:
A. live birth.
B. asexual reproduction.
C. sexual reproduction.
A
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Which of the following is a type of epithelial
tissue that is several layers thick?
a. stratified b. loose connective c. dense connective d. simple e. more than one of these
A chromosome's gene sequence that was A?B?C?D?E?F?G before damage and A?B?C?F?G after is
an example of a. inversion. b. deletion. c. duplication. d. translocation. e. crossing over.
In a population of 10,000 individuals, in which 3600 are MM, 1600 are NN, and 4800 are MN, what are the frequencies of the M alleles and the N alleles?
What will be an ideal response?
Nonhomologous endjoining can result in all but which of the following?
(a) the recovery of lost nucleotides on a damaged DNA strand (b) the interruption of gene expression (c) loss of nucleotides at the site of repair (d) translocations of DNA fragments to an entirely different chromosome