8th Grade Genetics Test Review

A characteristic such as eye color or hair color

• trait

• allele

• DNA

• gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Appears only when the individual inherits two of these alleles (a "weaker" gene)

• recessive trait

• dominant trait

• allele

• chromosome

appears when one or two of the allele is inherited (a "stronger" gene)

• recessive trait

• dominant trait

• allele

• chromosome

"The Father of Modern Genetics"

• Gregor Mendel

• Albert Einstein

• Bill Nye

• Isaac Newton

the passage of characteristics from parent to offspring

• heredity

• camouflage

• heterozygous

• homozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

inherited DIFFERENT forms of a gene (one dominant, one recessive) Bb

• heterozygous

• homozygous

• genotype

• phenotype

inherited IDENTICAL forms of a gene (BB or bb)

• heterozygous

• homozygous

• genotype

• phenotype

different versions of a gene (blue or brown eyes; curly or straight hair)

• allele

• natural selection

• genetics

• trait

Tags

NGSS.HS-LS3-1

the chemical inside the nucleus of a cell that carries genetic information

• DNA

• gene

• chromosome

• allele

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

the specific genetic combination of alleles of an individual (the letters) BB, Bb, bb

• genotype

• phenotype

• genetics

• natural selection