IA and IB alleles exhibit ________ (complete or incomplete) dominance over the i allele
Fill in the blank(s) with correct word
complete
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In the ABC model of floral determination, a different combination of the three genes specifies each floral organ. Which gene works in combination with the other two?
A. A B. B C. C D. florigen E. ethylene
You have been growing some animal cells in culture. The cells grow well for several weeks, and then don't seem to grow at as well. You conduct some tests and determine that there is a lot of lactic acid in the culture fluid. Which of the following is the most likely explanation for the poor condition of the cells?
A. there is too much glucose in the culture fluid B. there is not enough glucose in the culture fluid C. there is too much oxygen in the culture fluid. D. there is not enough oxygen in the culture fluid.
About a day after fertilization, the zygote undergoes ________, which is a rapid series of cell divisions
Fill in the blank(s) with correct word
Extreme hunting pressure has caused northern elephant seals to become less genetically diverse because of:
A) natural selection. B) population bottleneck. C) genetic drift. D) founder effect.