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Genetic Material and DNA Replication

Total questions: 25

Worksheet time: 1hrs 13mins

Name
Class
Date
1.

What is the term for the information necessary to construct an entire organism and determine inherited traits?

4 lines
2.

What is the process of passing genetic material from parents to offspring?

4 lines
3.

What did Chargaff's ratios state about the amount of G, C, A, and T in DNA?

4 lines
4.

What did Franklin's X-ray diffraction images of DNA show about its structure?

4 lines
5.

What is the term for the process of producing two identical copies of an original DNA molecule?

4 lines
6.

What enzyme catalyzes the formation of covalent bonds between adjacent nucleotides during DNA replication?

4 lines
7.

What is the role of DNA polymerase I during DNA replication?

4 lines
8.

What is the function of telomerase in maintaining chromosome lengths?

4 lines
9.

What is a segment of DNA used to make a functional product called?

4 lines
10.

What is the process of synthesizing RNA from a DNA sequence called?

4 lines
11.

What is the role of ribosomes in translation?

4 lines
12.

Explain the process of polypeptide chain initiation.

4 lines
13.

What is the function of the lac operon in prokaryotes?

4 lines
14.

What is the purpose of DNA profiling (DNA fingerprinting) in forensic science?

4 lines
15.

What is the technique employed by forensic scientists to assist in the identification of individuals by their respective DNA profile?

4 lines
16.

How much of the DNA code is the same for all humans?

4 lines
17.

What is the basis of DNA profiling?

4 lines
18.

What constitutes 97% of the total nuclear DNA?

4 lines
19.

What is the property known as when the number of repeats in DNA differs in different individuals?

4 lines
20.

What is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species called?

4 lines
21.

What technique exploits variations in homologous DNA sequences?

4 lines
22.

What is the term for a variation in a single nucleotide which may occur at some specific position in the genome?

4 lines
23.

What is an illness caused by abnormalities in genes or chromosomes?

4 lines
24.

What is the result of a single mutated gene?

4 lines
25.

What is the function of a poly (A) tail in mRNA?

a)

Protecting mRNA from degradation by exonucleases

b)

Transcription termination

c)

Facilitating export of the mRNA from the nucleus to cytoplasm and translation