Genetics & Punnett Squares

What is a GENOTYPE?

• the genetic make-up of an organism

• the physical trait of an organism

• mitosis

• meiosis

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 

• 50 % Brown Hair and 50% Blond Hair 
• 25 % Brown Hair and 75% Blond Hair 
• 75 % Brown Hair and 25% Blond Hair 
• 0% Brown Hair and 100% Blond Hair 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What is the probability of obtaining a homozygous recessive offspring from two heterozygous parents?

• 0%

• 75%

• 25%

• 50%

Which of the following represents alleles for the homozygous dominant genotype?

• Aa

• aa

• AA

If A = red fur and a = white fur, what color fur would aa be? (Assume Mendelian inheritance)

• red

• white

• purple

• blue

Tags

NGSS.HS-LS3-1

How many alleles (letters) does a child get from EACH parent for each trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

the genetic makeup of an organism

• heterozygous
• punnet square
• genotype

Tags

NGSS.HS-LS3-2

NGSS.HS-LS1-1

Which of the following represents alleles for the heterozygous genotype?

• Aa

• aa

• AA

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Who is considered the "father of genetics"?

• Reginald Punnett

• Gregor Mendel

• James Watson

• Charles Darwin