Genotype & Phenotype

Used to show recessive alleles

• captial letters

• lowercase letters

• numbers

Used to show dominant alleles

• captial letters

• lowercase letters

• numbers

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

• recessive

• dominant

• lower case

• weaker 

Aa, DD, and yy are all examples of

• genotypes

• phenotypes

What you see, or the physical appearance.

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1

Genotype refers to...

• physical expression of the genes

• the possible combination of alleles in a gene

• whether an allele is dominant or recessive

• how an organism will appear

Tags

NGSS.HS-LS3-1

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• GG

• Gg

• gg

• g

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

B = brown fur  b = white fur
If two heterozygous parents reproduce, what is the probability that the offspring will have white fur?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.MS-LS3-2

Which of the following genotypes is homozygous recessive?

• Tt

• tt

• TT

• t