Genetics & Heredity Vocabulary

Genetic variation in individuals of the same species is due to

• sexual reproduction & mutations
• asexual reproduction only
• mutations only
• asexual reproduction & mutations

An example of a genotype is

• Bb
• short plants
• tall plants
• eye color

the passing of genetic traits from parent to offspring.

• heredity
• trait
• gene
• allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

having two of the same allels for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different alleles for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

What is a phenotype

• The genetic make up (code)
• The physical appearance determined by the genotype

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.HS-LS3-2

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

What does heterozygous mean?

• An organism that has the same alleles for a trait (TT or tt)
• An organism that has different alleles for a trait (Tt)
• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

Tags

NGSS.HS-LS4-3