Intro to Heredity

The genetic difference between individuals in the same species is

• Interesting

• Harmful

• Variation

• Genetics

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

An organism that has two different alleles for a trait.

• Genes

• Heterozygous

• Genotype

• Dominant allele

Tags

NGSS.HS-LS3-2

Heterozygous is when...

• the alleles are the same

• the alleles are different

• the alleles are absent

• the alleles are present

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-LS3-2

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is NOT a genotype?

• heterozygous

• a trait

• Bb

• homozygous recessive

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

• Tt

• tt

• TT

• t

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

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2