A technique called the ____________________ has revolutionized molecular biology because it is not as labor intensive or time consuming as DNA cloning techniques
Fill in the blank(s) with correct word
polymerase chain reaction
PCR
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Nitrogenase is an oxygen-sensitive enzyme even though many diazotrophs are aerobic microorganisms
Indicate whether the statement is true or false.
In a hypothetical population of 1,000 people, there is a hypothetical trait called pink toe. People who are homozygous dominant have red toes, those who are homozygous recessive have white toes, and those who are heterozygous have pink toes. If 400 people have red toes, the number of people with pink toes is _____________________
Fill in the blank(s) with correct word
Could two phenotypically normal parents have an affected child?
a. Yes b. No
In a human population with a high proportion of prereproductive individuals, the population will:a
continue to increase even if the fertility rate is at replacement levels. b. decline even if the fertility rate is at replacement levels. c. increase only if the fertility rate is above replacement levels. d. decline only if the replacement level fertility rate changes. e. reach ZPG sooner than with a low proportion of prereproductive individuals.