Genetics

What is the chemical called that is found inside our cell's nucleus and determines our inherited traits?

• D.N.A.

• genes

• chromosomes

• chloroplast

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

A characteristic passed from parents to their offspring is called a __________________ trait.

• acquired

• inherited

• dominant

• recessive

Tags

NGSS.HS-LS3-1

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

• Tt
• tt
• TT
• t

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous genes
• mutated DNA

Aa is

• homozygous (purebred)
• heterozygous (hybrid)

Tags

NGSS.HS-LS3-2

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

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

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• short
• tall
• medium sized
• neither tall or short

Tags

NGSS.HS-LS3-2

Who is considered the "father of genetics"?

• Gregor Mendel
• Reginald Punnett
• James Watson
• Justin Bieber

How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4