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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What is one benefit of mapping the human genome?

A
locating the chromosomal abnormalities that cause disease
B
having the genomes of every living individual on file
C
choosing the gender or intellectual ability of an unborn child
D
cloning the individuals that comprise a nearly extinct tribe
4

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

A
DNA is found in a chromosome.
B
Chromosomes are found in the nucleus of a cell.
C
Genes are located in a nucleotide.
D
Nitrogen bases are located in the central rungs of a DNA ladder.
6

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.
7

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
8

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

A
creation of an accurate model of DNA structure
B
creation of an X-ray diffraction image of DNA structure
C
identification of a pattern in ratios of DNA bases
D
identification of DNA in bandages that contained pus
9

Which best describes the outcome of DNA replication?

A
The new DNA molecule is identical to the original DNA.
B
The new DNA molecule is synthesized from amino acids.
C
The new DNA molecule has a different number of codons.
D
The new DNA molecule is single-stranded.

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