Definitions 4

Question 1

Chromosome

Answer 1

Compact structure found in the nucleus made up of a long, linear stretch of DNA coiled around proteins and carrying information in the form of a gene

Question 2

Gene

Answer 2

Strectch of DNA with a particular sequence that codes for a slecific protein

Question 3

Allele

Answer 3

Different forms of genes with different DNA sequences

Question 4

Variation

Answer 4

Difference between any observable or measurable aspects between species or within.

Question 5

Phenotypic variation

Answer 5

Difference in external or internal appearances

Question 6

Genetic variation

Answer 6

Difference between genotypes of individuals

Question 7

Continuous variation

Answer 7

Type of variation influecned by genes and the environment, resulting in a range of phenotypes between 2 extremes

Question 8

Discontinuous variation

Answer 8

Variation caused by genes alone and resulting in phenotypes with mo intermediates