The observation that SNPs account for most of the differences in the coding regions between the human and chimpanzee genomes suggests that ____
a. the two genomes are too different to suggest an evolutionary relationship
b. Neanderthals descended directly from chimpanzees
c. small changes in amino acid sequences account for big differences in phenotype
d. most of the differences in phenotype are due to DNA sequence changes
e. humans descended directly from chimpanzees
c
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___________ and ___________ are structures formed in the fruiting bodies of dikaryotic (n+n) fungi that produce spores
A. Basidia; asci B. Basidia; septa C. Septa; asci D. Basidia; chitins E. Chitins; asci
A cell that can divide to give rise to any cell type, including those of membranes that support the developing embryo, is
A) multipotent. B) a progenitor cell. C) a differentiated cell. D) totipotent.
Why have sports governing bodies banned the use of EPO in athletes?
What will be an ideal response?
In cats, the dominant white gene (W) may or may not also cause deafness. Homozygotes are more likely to be deaf than heterozygotes
If you breed heterozygous white cats together and produce 100 kittens, how many would you expect to be deaf if all the proportions came out perfectly? Assume that heterozygotes have an 8% chance of being deaf, and homozygotes a 60% chance of being deaf.