Genetics Terminology

An allele that masks the presence of a recessive allele in the phenotype (ex: T)

• chromosomes

• recessive

• dominant

-two copies of the same allele (ex: TT or tt)

• heterozygous

• gene

• homozygous

-the genetic makeup of an individual (ex: TT, TT, Tt)

• genetics

• homozygous

• phenotype

• genotype

-long rod-shaped bodies inside a cell's nucleus

• trait

• gene

• allele

• Chromosomes

Tags

NGSS.HS-LS3-1

-an inherited characteristics of an organism

• dominant

• gene

• trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

-a gene for a particular trait (ex: T or t)

• phenotype

• chromosomes

• allele

Tags

NGSS.HS-LS3-2

plays a key role in helping the cell divide up its DNA during division ...

• cyoplasm

• centromere

• centrioles

• chromosomes

Tags

NGSS.HS-LS1-4

What is a genotype?

• Pair of alleles that determine a specific trait

• Observable physical trait

• A trait that is observed with only one copy of an allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a dominant gene?

• A trait that is observed when there are one OR two copies of the allele

• A trait that is observed only when there are two copies of the allele

• A trait that can be hidden in a generation

What is a trait?

• A physical characteristic passed down from your mom

• A behavioral characteristic passed down from your dad

• A physical or behavioral characteristic passed down from your parents

• A behavioral characteristic passed down by your mom

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2