The chance of a child having albinism when both of his parents are heterozygous for the disorder is ____ percent
a. 0
b. 25
c. 33
d. 50
e. 75
b
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Which factor has the least effect on the amount of incoming light that strikes an area?
a. latitude b. temperature c. particulate matter in the atmosphere d. total surface area that sunlight strikes e. Earth's tilt
For sexually reproducing organisms, a species
consists of a. individuals sharing a habitat. b. a group of reproductive females. c. populations that have the potential to interbreed and produce fertile offspring. d. individuals that have the same nutritional requirements. e. individuals in the same geographical range with similar ecological requirements.
The sequences in mRNA that are not translated are the ____________________. Fill in the blank(s) with the appropriate word(s)
In general, microtubules disassemble and consequently pull the chromatids to the ends of the spindle. When does this occur?
a. during interphase b. during prophase c. during metaphase d. during anaphase