Human Genome and Bioethics Review Quiz


A characteristic that is encoded in DNA.
A. genome
B. sex-linked gene
C. genetic trait
D. down syndrome

What is this
A. plasmid
B. recombinant bacterium
C. recombinant DNA
D. sticky ends

Cystic fibrosis is caused by
A. a small change in the DNA sequence of one gene.
B. nondisjunction during meiosis in the father.
C. crossing over between X and Y chromosomes.
D. the combined effects of several genes.

Which is not a base pair of DNA?

A. Cytosine

B. Thymine

C. Adenine

D. Guanine

E. DNA Ladder

The X and Y chromosomes are called the
A. extra chromosomes.
B. phenotypes.
C. sex chromosomes.
D. All of the answers are correct.

GMOs can be

A. plants only

B. animals only

C. plant, animal, and bacteria

D. plant and animal only

A clone can be BEST thought of as a(n)  _____ created in the lab. 
A. identical twin
C. science fiction experiment

GMO stands for
A. genetically made organism
B. genetically modified organism
C. gene manipulated organism
D. Genetic mutant organism

A common genetic disorder characterized by bent and twisted red blood cells is…

A. Cystic Fibrosis

B. Hemophilia

C. Sickle Cell Disease

D. Muscular Dystrophy

A picture of chromosomes arranged in groups is known as a(n)…

A. Generation

B. Pedigree

C. Karyotype

D. Chromoscopy

Chromosomal disorders, such as Down Syndrome, are caused by __________, or the failure of homologous chromosome separation during meiosis, occurs.

A. Nondisjunction

B. Recessive Alleles

C. Dominant Alleles

D. Codominance

Humans have_______ pairs of chromosomes, for a total of _______ chromosomes.

A. 24,48

B. 23,46

C. 25,100

D. 25,50

The purpose of selective breeding is to 
A. Get bigger animals
B. get smaller animals
C. create animals with desirable traits
D. create animals with bad traits

What is a genome?
A. The complete haploid amount of genetic material present in a cell or organism
B. A garden ornament
C. The sum of all human material.
D. A totally unique set of genetic material not shared with anything else

What is the first cloned mammal?

A. goat

B. cat

C. sheep

D. cow

Which parental pair could produce females with colorblindness (Remember colorblindness is a sex-linked chromosomal disorder)?

A. Homozygous normal-vision mother; Father with colorblindness

B. Mother with colorblindness; Father with normal-vision

C. Heterozygous normal-vision mother; Father with normal-vision

D. Heterozygous normal-vision mother; Father with colorblindness

True or False-There could be possible benefits to GMOs.



How many genes does the humane genome have?

A. About 20,000

B. 1,000

C. 46

D. 23 pairs

What is NOT a reason to genetically modify plants? 
A. To make the plants poisonous to insects
B. Make plants drought resistant 
C. To produce fewer plants
D. Improve the nutrition of food grown

Which term refers to a farmer choosing the best corn from this year to plant next year?
A. natural selection
B. selective breeding
C. genetic engineering
D. genetic transformation

Whether a human will be a male or a female is determined by
A. sex chromosomes in the egg cell.
B. sex chromosomes in the sperm cell.
C. autosomes in the egg cell.
D. autosomes in the sperm cell.

What is risk of GMOs?
A. Radioactive
B. Food that taste too good
C. throw an ecosystem off balance
D. produce too much food

Who is most likely to develop a sex-linked disorder?
A) Women
B) Children
C) Men
D) all of the above

True or False-GMO’s have been proven to be harmful for humans to consume.



Clones have the exact same:

A. Personalities

B. Physical appearances

C. Intelligence levels

D. Genetic material


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