Genetic Code Answers

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Which is one of the primary goals of the Human Genome Project?

A
to cure all diseases that affect humans
B
to sequence the genome of every living individual
C
to identify the 20,000 to 25,000 genes that comprise the human genome
D
to measure the length of human DNA
2
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Who first identified DNA?

A
Rosalind Franklin
B
Erwin Chargaff
C
Friedrich Miescher
D
James Watson
3

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

A
nucleotide
B
gene
C
phosphate molecule
D
deoxyribose sugar
4

In 1953, who developed the model that is shown below?

Question illustration
A
James Watson and Francis Crick
B
Marshall Nirenberg and Heinrich Matthaei
C
Rosalind Franklin
D
Erwin Chargaff
5

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

A
The order of the codons differs between organisms.
B
The order of the codons is the same between organisms.
C
The codons in each organism are the same.
D
The codons in each organism differ.

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