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Vocabulary Review: Disease Unit

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

Complimentary DNA (cDNA) is:

a)

a type of RNA

b)

a type of DNA synthesized from a DNA template

c)

a protein

d)

a lipid

2.

What is the process of Transcription?

a)

The process of copying a segment of DNA into RNA

b)

The process of translating RNA into proteins

c)

The process of DNA replication

d)

The process of cell division

3.

mRNA is made into Amino Acid chains in the cell by which of the following processes?

a)

Transcription

b)

Translation

c)

Replication

d)

Splicing

4.

A mutation in DNA is:

a)

a change in the DNA sequence

b)

a type of protein

c)

a form of RNA

d)

a cellular organelle

5.

A Codon is:

a)

a sequence of three nucleotides that together form a unit of genetic code in a DNA or RNA molecule.

b)

a type of protein found in the cell membrane.

c)

a molecule that carries oxygen in the blood.

d)

a type of enzyme that breaks down carbohydrates.

6.

A Triplet in DNA is:

a)

a sequence of three nucleotides that codes for an amino acid

b)

a pair of nucleotides that form a base pair

c)

a single nucleotide in the DNA sequence

d)

a sequence of four nucleotides that codes for a protein

7.

DNA (Deoxyribonucleic Acid) is

a)

a type of protein

b)

a molecule that carries genetic information

c)

a form of carbohydrate

d)

a type of lipid

8.

mRNA (Messenger RNA) is:

a)

a type of DNA

b)

a type of protein

c)

a type of RNA that carries genetic information from DNA to make proteins

d)

a type of lipid

9.

What is a Gene?

a)

A unit of heredity in a living organism

b)

A type of cell

c)

A type of protein

d)

A type of carbohydrate

10.

X-linked refers to:

a)

A genetic trait associated with the X chromosome

b)

A type of chromosome found only in males

c)

A condition that affects only females

d)

A gene located on the Y chromosome

11.

Genotype is:

a)

The genetic constitution of an individual organism

b)

The physical appearance of an organism

c)

The process of cell division

d)

The study of heredity

12.

What is Phenotype?

a)

The genetic makeup of an organism

b)

The physical characteristics of an organism

c)

The process of natural selection

d)

The study of genes and heredity

13.

An allele is:

a)

a type of cell

b)

a variant form of a gene

c)

a structure within a cell

d)

a type of protein

14.

What does genotype % represent?

a)

The percentage of a specific genotype in a population

b)

The absolute number of genotypes in a sample

c)

The ratio of genotypes to phenotypes

d)

The average genetic variation in a species

15.

What does phenotype % indicate?

a)

The percentage of a specific trait expressed in a population

b)

The percentage of genetic variation in a population

c)

The percentage of environmental influence on a trait

d)

The percentage of dominant traits in a population

16.

Contact inhibition is a phenomenon where cells stop dividing when they come into contact with each other. What is contact inhibition?

a)

A process where cells continue to divide regardless of contact

b)

A phenomenon where cells stop dividing upon contact

c)

A method of cell communication

d)

A type of cell mutation

17.

Apoptosis is:

a)

a form of cell death

b)

a type of cell division

c)

a process of cell growth

d)

a method of cell repair

18.

A tumor suppressor (p53) is:

a)

a gene that promotes cell division

b)

a gene that prevents uncontrolled cell growth

c)

a type of cancer

d)

a type of tumor

19.

Mitosis is a process of?

a)

Cell division

b)

Photosynthesis

c)

Protein synthesis

d)

Respiration

20.

Homozygous means:

a)

Having two identical alleles for a particular gene

b)

Having two different alleles for a particular gene

c)

Having more than two alleles for a particular gene

d)

Having no alleles for a particular gene

21.

Heterozygous means:

a)

having identical alleles for a single trait

b)

having different alleles for a single trait

c)

having no alleles for a single trait

d)

having multiple alleles for multiple traits

22.

A dominant allele is:

a)

an allele that masks the effect of a recessive allele (capital)

b)

an allele that is always expressed in the phenotype (lower case)

c)

an allele that is only expressed in the homozygous state

d)

an allele that is less common in a population

23.

A recessive allele is:

a)

an allele that is always expressed in the phenotype

b)

an allele that is only expressed in the phenotype when two copies are present

c)

an allele that is never expressed in the phenotype

d)

an allele that is expressed only in the presence of a dominant allele

24.

A substitution mutation is a type of mutation where:

a)

a single nucleotide is replaced by another nucleotide.

b)

a segment of DNA is deleted.

c)

a segment of DNA is duplicated.

d)

a segment of DNA is inverted.

25.

An insertion mutation is:

a)

a change in a single nucleotide base pair in DNA.

b)

the addition of one or more nucleotide base pairs into a DNA sequence.

c)

the removal of one or more nucleotide base pairs from a DNA sequence.

d)

a change in the structure of a chromosome.

26.

A Deletion mutation is:

a)

a type of mutation where a part of a chromosome or a sequence of DNA is lost during DNA replication.

b)

a mutation that results in the addition of extra nucleotides in a DNA sequence.

c)

a mutation that changes a single nucleotide base pair in DNA.

d)

a mutation that involves the rearrangement of parts between nonhomologous chromosomes.

27.

A Frameshift mutation is:

a)

a mutation that involves the insertion or deletion of a nucleotide in the DNA sequence

b)

a mutation that changes a single nucleotide base pair

c)

a mutation that results in a premature stop codon

d)

a mutation that duplicates a segment of DNA