Genetics High School

Which choice best represents the genotype of this cross?

• Yy: 2 yy: 0 YY

• Yy: 2 yy: 0 YY

• Yy: 1 yy: 0 YY

• Yy: 3 yy: 0 YY

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

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-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What allele combination should go in the missing box?

• AA

• Aa

• aa

• none of these

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

This is an example of ___________?

• Incomplete dominance

• Co-Dominance

Tags

NGSS.HS-LS3-2

This is an example of ___________.

• Incomplete Dominance

• Codominance

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Different forms of genes:

• alleles

• phenotype

• genotype

• homologous chromosomes

Tags

NGSS.HS-LS3-2

An organism's appearance or other observable characteristics:

• phentoype

• genotype

• recessive

• dominant

Tags

NGSS.HS-LS1-1

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Which of the following alleles is homozygous recessive?

• Tt

• tt

• TT

• T

What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits

• Physiotrait

• Genotype 2

• Phenotype