Mendelian Genetics

The ratio of phenotypes in a Punnett Square

• Phenotypic Ratio

• Genotypic Ratio

• Dihybrid Cross

• Independent Assortment

The Italian monk/scientist who first showed

the principles of genetics

• Watson and Crick

• Linnaeus

• Darwin

• Mendel

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

The different forms of a gene are called...

• chromatids

• genes

• alleles

• homologous chromosomes

What would Ee be considered?

• homozygous dominant

• homozygous recessive

• heterozygous

What would rr be considered?

• homozygous dominant

• homozygous recessive

• heterozygous

Having horns is dominant (H) to not having horns (h) in cattle. The genotype Hh would have the phenotype?

• With horns.

• Without horns.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the percentage of homozygous recessive offspring?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

What type of traits "show up" in a population more often?

• dominant

• recessive

• punnett squares

• alleles

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NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4

Passing on traits from parents to offspring

• Chromosome

• Genotype

• Heredity

• Allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous

• BB

Tags

NGSS.HS-LS4-4