Basic Genetics

Basic Genetics

Please read each question carefully and select the correct answer by clicking on the corresponding button. The answer key will be provided after the quiz is scored. Streeeetch that mind!


Who is considered the founder of genetics?

Ian Wilmut, a Scottish scientist
Oswald Avery, a Canadian bacteriologist
Marie Curie, a Polish/French physicist
Gregor Mendel, an Austrian biologist
I don't know

What does DNA stand for?

deonitric acid
deoxyribonucleic acid
deoxygenated acid
None of the above
I don't know

A mosquito cell has 6 chromosomes and an onion cell has 15. How many chromosomes does the human cell have?

I don't know

Which chromosome is larger, the X or Y?

Neither; they are the same size.
I don't know

In 1995, one country adopted the law that all couples planning to marry must undergo genetic screening. If either individual is found to be a carrier of certain genetic diseases or mental disorders, they must be sterilized or agree to long-term contraception before they are permitted to marry. Which country is this?

None of the above; this is not the law anywhere.
I don't know

When was a working draft of the entire human genome sequence - the genetic blueprint for human beings - announced as completed by the scientists involved in the Human Genome Project?

June 1998
June 2000
June 2001
It hasn't been announced yet
I don't know

What is DNA "packaged" in?

In chromosomes
In genomes
In nucleotides
It isn't "packaged" in anything, it floats on its own.
I don't know

What is BLAST?

A method of separating mutated genes from healthy ones.
A laser used to break through the "shell" of the chromosome to reach the DNA.
A computer program that identifies homologous (similar) genes in different organisms, such as a human and a fruit fly.
An acronym for the process of altering genes.
I don't know

What is shaped like a double helix (twisted ladder)?

DNA molecules
I don't know

DNA is composed of building blocks called nucleotides: deoxyribose sugar, a phosphate group and one of four nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). Which rule about nucleotide pairing is true?

A is always paired with G: T is always paired with C.
A is always paired with T; G is always paired with C.
G is always paired with T; A is always paired with C.
There is no rule: any combination is possible.
I don't know
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