Simple Genetics

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

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

• recessive
• dominant
• lower case letter
• both 

Which of the following is a phenotype?

• Bb
• Black fur

Tags

NGSS.MS-LS4-4

What is the percentage of offspring that have green pods?

• 100%
• 75%
• 50%
• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

NGSS.HS-LS4-3

What percentage of the offspring in the punnett square are shown as a hybrid?

• 100%
• 75%
• 50%
• 25%

Tags

NGSS.HS-LS3-1

What is the phenotype of the heterozygous parent in the punnett square?

• green
• yellow
• hybrid
• purebred

Tags

NGSS.HS-LS3-1

In this punnett square, which is the dominant trait?
The B stands for bud.

• purple flower bud
• white flower bud
• dominant
• recessive

Tags

NGSS.HS-LS3-1

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

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.MS-LS3-1

having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

Tags

NGSS.HS-LS3-1

Which is heterozygous?

• XX

• xx

• Xx