Terms

Question 1

One of the different forms of a gene or DNA sequence that can exist at a single locus.

Answer 1

Allele

Question 2

Self-replicating structures of cells that carry in their nucleotide sequences the linear array of genes.

Answer 2

Chromosomes

Question 3

The fundamental physical and functional unit of heredity, which carries information from one generation to the next; a segment of DNA, composed of a transcribed region and a regulatory sequence that makes transcription possible.

Answer 3

Gene

Question 4

The actual alleles present in an individual. e.g. (RR) or (rr)

Answer 4

Genotype

Question 5

Having two different alleles at a given locus on a pair of homologous chromosomes. e.g. (Rr)

Answer 5

Heterozygous

Question 6

Observable characteristics of an organism. (Brown eye color)

Answer 6

Phenotype

Question 7

An individual possessing a pair of identical alleles at a given locus on a pair of homologouschromosomes.

Answer 7

Homozygote

Question 8

Any detectable phenotypic variation of a particular inherited character.

Answer 8

Trait