Genetic Code

Question 1

Who first identified DNA?

Revolt · Accepted Answer

Friedrich Miescher

Question 2

What basic unit of heredity is found on segments of DNA and are passed on from parent to offspring?

Revolt · Accepted Answer

gene

Question 3

What was Marshall Nirenberg and Heinrich Matthaei’s contribution to our current understanding of the genetic code?

Revolt · Accepted Answer

discovery of codons

Question 4

Organisms inherit specific traits and characteristics from their parents. Albinism is an inherited disorder that occurs when an organism is unable to produce or distribute melanin. Melanin is a substance in the body that helps determine skin color, hair color, and eye color.Which is the basic unit of heredity that carries the trait of albinism from parent to offspring?

Revolt · Accepted Answer

genes

Question 5

Which best describes the outcome of DNA replication?

Revolt · Accepted Answer

The new DNA molecule is identical to the original DNA.

Question 6

As DNA is replicated, which DNA base pair will bond to cytosine?

Revolt · Accepted Answer

guanine

Question 7

Rosalind Franklin is famous for which contribution to the study of DNA?

Revolt · Accepted Answer

creation of an X-ray diffraction image of DNA structure

Question 8

If the same base pairs are used to code for all organisms, why is there so much variation among organisms?

Revolt · Accepted Answer

The order of the codons differs between organisms.

Question 9

Which are segments of DNA that code for specific traits?

Revolt · Accepted Answer

genes

Question 10

Which of the following incorrectly matches the term with its location?

Revolt · Accepted Answer

Genes are located in a nucleotide.

Genetic Code Answers

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