Genetics Vocabulary

The observable characteristics or traits of an organism. It's what you can see, red hair, tall, etc.

• genotype

• phenotype

• dominant

• homozygous

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The basic unit of heredity that consists of a segment of DNA on a chromosome

• chromosome

• double helix

• homozygous

• gene

An organism that inherits two of the same alleles from its parents. TT, tt

• dominant

• phenotype

• heterozygous

• homozygous

A term that describes an allele that is not expressed when combined with a dominant form of the allele

• gene

• recessive

• homozygous

• phenotype

Tags

NGSS.HS-LS3-2

The passing of genes from parents to offspring

• Punnett Square

• probability

• genetics

• heredity

Tags

NGSS.HS-LS3-1

An organism that inherits two different alleles from its parents

• dominant

• recessive

• homozygous

• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is this: Bb

• phenotype

• genotype

• probability

• trait

Tags

NGSS.HS-LS3-1

The trait expressed if you inherit Ff is the

• genotype

• dominant trait

• recessive trait

• homozygous

Tags

NGSS.HS-LS3-2

Which of these would express the dominant trait?

• rR

• RR

• Rr

• All of the above

In order for a recessive trait to be expressed,

• both alleles have to be recessive

• one allele has to be recessive

• one allele has to be recessive while the other is dominant

• both alleles have to be expressed with capital letters

Tags

NGSS.HS-LS3-1