science genes study flash cards

what word is the defintion for?

16 cards·by tylercore9

The scientific study of heredity

Genetics

the passing of traits from the parents off spring

Heredity

The set of info that controls a trait ; a segment of DNA on a chromosome that codes for a specific trait

Genes

A characteristic that an organism can pass onto an offspring through it's genes

Trait

The different forms of a gene

Allele

An allele that is masked when a dominant allele is present

Reccessive Allele

An allele whos trait always shows up in the organism when the allele is present

Dominant Allele

A condition in which neither two Alleles of a gene is dominant or reccessive

Codominance

A chart that shows all the possible combinations of alleles that can result from genetic cross

Punnet Square

An organism's physical apperance, or visible traits

Phenotype

An organism's gentic makeup, or allele combinations

Genotype

Having two identical alleles for a trait

Homozygous

Having two different alleles for a trait

Heterozygous

A change in a gene or a chromosome

Mutation

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

Hybrid

The process occurs in the formation of sex cells by which the number of chromsomes is reduces in half

Meiosis