Simple Mendelian Genetics

Genotype: TT

• homozygous dominant

• homozygous recessive

• heterozygous dominant

Another word for homozygous is...

• true breeding

• hybrid

• heterozygous

• dominant

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

• TT
• Tt
• tt
• tT

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

• Purple
• Green
• GG
• gg

Which of the following best describes a GENOTYPE?

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

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1

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-LS3-2

The allele that is hidden unless both genes are present

• dominance

• recessive

• traits

• alleles

The law that states that when an organism is hybrid for a pair of contrasting traits, the dominant trait is the one that is shown. 

• Law of Dominance
• Law of Independent Assortment
• Law of of Segregation
• Law of Incomplete Dominance