Genetics

Question 1

What is a gene?

Answer 1

Section of DNA that codes for a particular trait or characteristics.

Question 2

What is an allele?

Answer 2

A different form of a gene that codes for a different version of a characteristic.

Question 3

What is a genotype?

Answer 3

A description of the pair of alleles present for a characteristic.

Question 4

What is a phenotype?

Answer 4

The physical expression of the alleles

Question 5

What is variation?

Answer 5

A change or slight difference in condition, amount, or level, typically within certain limits.

Question 6

What is a chromosome?

Answer 6

A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Question 7

What is a homozygous

Answer 7

Pair of alleles that produce a characteristic are the same

Question 8

What is a heterzygous

Answer 8

Pair of alleles that produce a characteristic are different

Question 9

Dominant

Answer 9

An allele that will ALWAYS be expressed even when there is only one of these alleles present, represented by a capital letter

Question 10

Recessive

Answer 10

An allele that will only be expressed when both alleles are of this type