QABiology › Which would least likely result from a chromosomal change?
Q

Which would least likely result from a chromosomal change?

A) death of the cell or organism

B) no effect on the cell or organism

C) enhanced ability of the organism to reproduce

D) change to the phenotype of the organism

A

Answer: C. enhanced ability of the organism to reproduce

A balance in the number of chromosomes in humans is extremely important. If not, certain abnormalities may occur. Chromosomes carry our genetic material responsible for controlling body cells. An alteration in the number of chromosomes can significantly change our genetic structure.

In every normal human cell, there are 23 pairs of chromosomes (46 chromosomes in total). Alterations in this number can lead to abnormal growth and development. This process often takes place in reproductive cells formation, development of the fetus, or after birth.

1 year ago
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