Honors Biology vocab quiz

Trait

physical, behavioral and physiological characteristics

Variety

Differences among traits between individuals

Heredity

Passing of traits from parents to offspring

Genes

responsible for our traits such as hair color, blood type, height, foot size, etc.

Homologous chromosomes

Pairs of chromosomes that are similar in shape, size, and genetic content, inherited from each parent.

Genotype

Collections of genes in an organism

Phenotype

Collection of traits

Meiosis

When sex cells are made they get one copy of each chromosome.

Fertilization

The fusion of the male and female sex cells to make offspring

Chromosome

Large units of DNA found in the nucleus

Alleles

Different versions of the same genes

recessive trait

Don’t always become traits

Dominant Trait

Always become traits

Heterozygous

Inheriting two different versions of the same genes from your parents

Homozygous

Two identical copies of a specific gene from each of your parents resulting in genetic makeup