Most human embryos that are aneuploid
A. result in Down's syndrome.
B. result in sterility.
C. are spontaneously aborted in the first trimester.
D. can develop and survive to adulthood.
E. are usually the result of increased nondisjunction in the gametes of older men.
C. are spontaneously aborted in the first trimester.
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Deng Xiaoping launched China's "Four Modernizations" in the 1980s to reorganize and revitalize its
A) economy. B) political system. C) Olympic program. D) international reputation. E) human rights policies.
What unconsumed macromolecule from dead organisms eventually formed fossil fuels?
What will be an ideal response?
Macroevolution is opportunistic, not goal oriented. Explain what this means.
What will be an ideal response?
Several years ago, scientists compared the genome of a wooly mammoth to that of an African elephant and found them to be 98.5% identical. This is an example of what type of "-omics"?
A) space-age genomics B) stone-age genomics C) extinctomics D) exomics E) proteomics