When chromosomes fail to separate at either the first or second meiotic division, this
a)is known as crossing over.
b)results in a sperm or egg cell with an abnormal number of chromosomes.
c)is known as translocation.
d)results in a failure to produce gametes.
e)results in arrest during meiosis.
b)results in a sperm or egg cell with an abnormal number of chromosomes.
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What is an ecological footprint?
A. The estimate of land and water required to sustain one person B. The ecological damage caused by humans C. The amount of land taken up by cities D. The amount of money required to support a human population
The binding of active CAP to the lac operon promoter decreases the rate of transcription of the lac operon
__________________ Indicate whether the statement is true or false.
A phosphate group binds to what molecule to create the "backbone" of the DNA molecule?
A) Adenine B) Deoxyribose C) Ribose D) Other phosphate molecules
Any discontinuity or abnormality of tissue is called a lesion.
a. true b. false