Genetic Terminology

Question 1

genotype definition

Answer 1

describes all of the genetic information in an organism, some is expressed to affect characteristics

Question 2

phenotype definition

Answer 2

describes the physical and biochemical characteristics of an organism. this is determined by genotype and influenced by environment.

Question 3

dominance definition

Answer 3

describes a phenotype that is expressed whenever one dominant allele coding for it is present whichever other alleles are present

Question 4

recessive definition

Answer 4

describes a phenotype that is only expressed both alleles code for the phenotype

Question 5

homozygous definition

Answer 5

describes a genotype in which both alleles for a gene are the same. homozygous individual is a homozygote

Question 6

heterozygous definition

Answer 6

describes a genotype in where the two alleles for a gene are different. heterozygous individual is a heterozygote.