Genetics and Heredity Intro

What is a phenotype

• The genetic make up (code)

• The physical trait

having two different genes for a trait (sometimes called hybrid).

• protein

• homozygous

• heterozygous

• genotype

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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One form of a gene is called_______________

• a DNA

• a Phenotype

• a trait

• an allele

Which of the following genotypes is a purebred?

• Bb

• Gg

• bb

• Dd

 Dominant alleles are-

• capital

• lowercase

• both

• neither

Recessive alleles are-

• capital

• lowercase

• both

• neither

Long hair is a dominant trait. Choose the BEST statement.

• This guinea pig received two dominant traits. (HH)

• This guinea pig cannot have a recessive allele. (h)

• This guinea pig could be homozygous dominant (HH) or heterozygous (Hh)

• This guinea pig is homozygous recessive (hh)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many kids did the mother and father from the first generation have?

• 2

• 4

• 5

• 6

What do half colored symbols represent?

• The individual is a carrier (heterozygous).

• The individual expresses the trait.

• The individual has both recessive alleles.

• The individual has both dominant alleles.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2