A) Microevolution 1. Which of the following mechanisms would be necessary in ord

Question

A) Microevolution

1.         Which of the following mechanisms would be necessary in order for Lamarck’s theory of evolution to be valid? Why?

            a)       The nervous system causes specific mutations of DNA.

            b)      Mutations occur at random locations in DNA.

            c)       All parts of the body contribute to the genetic information in the gamete.

            d)      Proteins direct their own replication.

            e)       One parent’s gametes are diploid.

            Answer: ______:

2.         It is often stated that most new mutations are recessive. Which of the following assumptions would be most important in arguing for this statement? Why?

            a)       Most individuals are heterozygous for most of their genes.

            b)      Most individuals are homozygous for most of their genes.

            c)       Most existing alleles are recessive.

            d)      Most existing alleles are dominant.

            e)       Mutations are rare events.

            Answer: ______:

Explanation / Answer

1. c)       All parts of the body contribute to the genetic information in the gamete.

2. a)       Most individuals are heterozygous for most of their genes.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.