Basic Genetics

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous genes

• mutated DNA

Tags

NGSS.HS-LS3-1

T = tall an t = short
What is the phenotype for Tt?

• short

• tall

• medium sized

• neither tall or short

Tags

NGSS.HS-LS3-2

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t

A sudden change in the molecular structure of a gene, called a(n) ________, may occur spontaneously or may be caused by an environmental event such as radiation.

• devastation

• deviation

• mutation

• alteration

Tags

NGSS.HS-LS3-2

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous

• heterozygous

• different

• homologous 

A physical characteristic that can be passed from parent to offspring.

• behavior

• trait

• strong muscles

• ability to fly a plane.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What law states that in Tt the person will only show the dominant allele

• law of segregation

• law of independent assortment

• law of dominance

• law of punnett squares

Which of the following is a phenotype?

• BB

• Bb

• bb

• Blue eyes

Tags

NGSS.HS-LS4-4

What is a phenotype

• The genetic make up (code)

• The physical trait

The passing of genetic traits from parent to offspring.

• heredity

• trait

• gene

• allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2