Genetic Key Terms

Question 1

Heredity

Answer 1

the passing of traits from parents to off spring

Question 2

Genetic

Answer 2

Study of heredity

Question 3

Chromosomes

Answer 3

Structure of a cell’s nucleus that contains genetic material

Question 4

Gene

Answer 4

segment of DNA on a chromosome

Question 5

Trait

Answer 5

feature that an organism inherits from it’s parent , such as eye color, that is coded for by DNA

Question 6

Alleles

Answer 6

Alternate forms of a gene ; produce variations in traits

Question 7

Genotype

Answer 7

Genes that an organism has- its genetic makeup

Question 8

Phenotype

Answer 8

observable product of genetic makeup and the environments influences on that genetic makeup

Question 9

Dominant

Answer 9

Allele that will show its affect on phenotype whenever it is present in genotype

Question 10

Recessive

Answer 10

Allele that will show its effect on the phenotype only when two of the same alleles are present in the genotype

Question 11

Heterozygous

Answer 11

Having two different alleles for a trait

Question 12

Homozygous

Answer 12

having two identical alleles for a trait

Question 13

Purebred

Answer 13

An organism that always produces offspring with the same form of a trait as itself

Question 14

Hybrid

Answer 14

An organism that has two different alleles for a trait; An organism that is heterozygous for a particular trait.

Question 15

Pedigree

Answer 15

List of ancestors of a person or animal

Question 16

Mutation

Answer 16

A permanent change in the sequence of DNA, or the nucleotides, In a gene or chromosome.