Genetics/Mitosis Review

Spongebob is heterozygous for his square shape, but spongesusie is round. What is the percent chance of their child being square shaped?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Patrick Star and Patti are both heterozygous for their pink body color. What is the percent chance that their child will have the homozygous recessive genotype?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Brown eyes are dominant to blue eyes. There are two parents that are homozygous dominant and homozygous recessive. What is the percent chance they will have a child with brown eyes?

• 0%

• 25%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

What genotype must parents have to pass an observable recessive trait on to their children?

• Both parents must be homozygous dominant

• Both parents must be heterozygous.

• Both parents must be homozygous recessive.

• Both parents must be homozygous.

Mr. Krabbs is homozygous for his tall eyeballs, while his wife is heterozygous for her tall eyeballs. What is the chance that their children will have short eyeballs?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

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

• recessive
• dominant
• lower case

• weaker 

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

Which of the following genotypes is homozygous recessive?

• Tt
• tt
• TT
• t

Aa, DD, and yy are all examples of

• genotypes
• phenotypes