Mendelian Genetics and Punnett Squares

Heterozygous means

• having two identical alleles for a particular trait

• having two different alleles for the same trait

• the physical characteristics of an organism; shows the dominate trait

• the set of genes in our DNA which is responsible for a particular trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Homozygous means

• having two identical alleles for a particular trait

• having two different alleles for the same trait

• the physical characteristics of an organism; shows the dominate trait

• the set of genes in our DNA which is responsible for a particular trait

Tags

NGSS.HS-LS3-1

Genotype means

• having two identical alleles for a particular trait

• having two different alleles for the same trait

• the physical characteristics of an organism; shows the dominate trait

• the set of alleles which is responsible for a particular trait

Gregor Mendel is known as the ______________________.

• Father of Modern Medicine

• Father of the Green Revolution

• Father of Genetics

• Pea Plant Man

What organism did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant

• Pigeons

• Pear trees

• Photosynthesis

Tags

NGSS.HS-LS3-2

Mendel was able to infer how genes were passed down from parents to offspring. He did it by:

• using mathematics

• using microscopes

• guessing

• praying at the monastery

Tags

NGSS.HS-LS3-1

Phenotype means

• having two identical alleles for a particular trait

• having two different alleles for the same trait

• the physical characteristics of an organism; shows the dominate trait

• the set of alleles which is responsible for a particular trait

In Mendel's pea plants, the homozygous recessive phenotype was white flowers.  If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?

• white and purple

• white 

• purple

• lavendar

Tags

NGSS.HS-LS3-1

What percentage of the offspring will be purebred dominant?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

If two purebred species (BB) are crossed, what percentage of their offspring would be BB?

• 25%

• 50%

• 75%

• 100%