Genes

Question 1

What is DNA made up of?

Answer 1

Dual strands bonded together

Question 2

What are the building blocks of DNA

Answer 2

Nucleotides

Question 3

How many nucleotides are in DNA

Answer 3

Four

Question 4

What are the names of the nucleotides found in DNA

Answer 4

Adenine, Thymine, cytosine and guanine

Question 5

What are the two purines in DNA

Answer 5

Adenine and guanine

Question 6

What are the two pyrimidines found a DNA

Answer 6

Thymine, cytosine

Question 7

How must DNA strands remain an equal distance apart

Answer 7

By consisting of a purine and a pyrimidine

Question 8

What’s the difference between AT and CG

Answer 8

AT contain 2 bonding arms

GC contain 3

Question 9

What is complementary base pairing

Answer 9

The process of pairing the nucleotides of a DNA strand to another strand

Question 10

What do the nucleotides contain other than the base

Answer 10

A sugar and phosphate

Question 11

What is a gene

Answer 11

A region of DNA that codes for a protein

Question 12

What are proteins

Answer 12

Organic molecules that carry out functions in the body

Question 13

What are the three things that traits are categorized by

Answer 13

Behavioural structural or physiological

Question 14

What are alleles

Answer 14

Different variations of a same gene

Question 15

How are alleles created

Answer 15

Changes to the sequence of DNA contained in a gene

Question 16

What is it called when there are changes in a DNA sequence

Answer 16

A mutation

Question 17

What are mutations the source of

Answer 17

Genetic diversity

Question 18

What is an adaptation

Answer 18

A mutation that improves an organisms chance of survival and reproductive success