Human Genome and Bioethics Review Quiz
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
Humans have_______ pairs of chromosomes, for a total of _______ chromosomes.
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
The failure of chromosomes to separate during gamete formation in called
C. point mutation
GMO stands for
A. genetically made organism
B. genetically modified organism
C. gene manipulated organism
D. Genetic mutant organism
How many genes does the humane genome have?
A. About 20,000
D. 23 pairs
A chart that traces the inheritance of a trait in a family is called a(n)…
Breeders can increase the _______________________ in a population by introducing mutations, which are the ultimate source of biological diversity
A. Genetic variation
A picture of chromosomes arranged in groups is known as a(n)…
The best description of a GMO is _____.
A. Hybrid species.
B. Natural organisms.
C. Artificially manipulated species.
D. Healthiest species.
Chromosomal disorders, such as Down Syndrome, are caused by __________, or the failure of homologous chromosome separation during meiosis, occurs.
B. Recessive Alleles
C. Dominant Alleles
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
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.
A crop of plants is more likely to survive a deadly virus if the plants:
A. Have unique DNA
B. Are planted close together
C. Receive little sunlight
D. Are cloned from the same plant
Which is not a base pair of DNA?
E. DNA Ladder
A clone can be BEST thought of as a(n) _____ created in the lab.
A. identical twin
C. science fiction experiment
Which country does not have GMO’s banned?
B. United States
True or False-GMO’s have been proven to be harmful for humans to consume.
A characteristic that is encoded in DNA.
B. sex-linked gene
C. genetic trait
D. down syndrome
Clones have the exact same:
B. Physical appearances
C. Intelligence levels
D. Genetic material
How many base pairs (bp) are in the human genome?
A. 1 billion bp
B. 4 billion bp
C. 3 billion bp
D. 3.5 billion bp
Who is most likely to develop a sex-linked disorder?
D) all of the above
Organisms that contain genes from a different organism are called –
Which best describes a mutation?
A. An error in the DNA sequence
B. A positive change in the DNA sequence
C. Passing down DNA to offspring
D. Catching a disease and changing your DNA
The X and Y chromosomes are called the
A. extra chromosomes.
C. sex chromosomes.
D. All of the answers are correct.
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