New York State Chemistry RegentsNew York State Earth Science Regents

 
Living Environment Regents June 2006 Question 08 PDF Print E-mail

lejun06q08

Correct Answer: Option 3 gene alteration in gametes.

Option 1 is incorrect because in cloning, the genetic information of the parent is just the same with the offspring.

Options 2 and 4 are incorrect. Mitosis in the muscle cells and differentiation in nerve cells only happens from further growth and development of the body. These cannot be inherited by the following generation.

Gene alterations in the gametes will form new inheritable characteristics. Since the gamete of the parents unite during sexual reproduction, if ever there would be alterations, the resulting diploid zygote would have a different gene expression that can be carried out to the next generations.

 

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