Mendelian Genetics

What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits
• Physiotrait
• Genotype 2
• Phenotype

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Tags

NGSS.HS-LS3-1

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT
• Tt
• tt
• tT

Tags

NGSS.HS-LS3-1

A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.

• Gene
• Allele
• Codon
• Nucleotide

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

Which of the following best describes a GENOTYPE?

• The allele/genetic makeup of an organism.
• The physical expression of a trait.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of a heterozygous genotype?

• RR
• Rr
• rr

The letters on the TOP AND SIDE of a punnett square represent ______________.

• The combination of alleles in offspring.
• The possible alleles given by the parents following meiosis.
• The genotype and phenotype of offspring.
• The results of genetic mutations in offspring.

Tags

NGSS.HS-LS3-1

What is the predicted percentage of homozygous recessive offspring in this cross?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Why do we see only tall plants in the second generation?

• The gene for tall height is dominant
• The gene for short height is dominant
• The gene for tall height is recessive
• The parents did not have the tall gene

Tags

NGSS.HS-LS3-1