Simple Genetics

What is the percentage of offspring that have green pods?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

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

NGSS.HS-LS3-2

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

NGSS.HS-LS3-2

Match the following terms or concepts with the correct definition or description.

• Chromosomes

• Threadlike structures that contain DNA found in the nucleus of a cell

• Genetics

• An organism that has TWO of the SAME alleles for a gene

• Heterozygous

• An organism that has ONE dominant and ONE recessive allele for a gene

• Homozygous

• The scientific study of heredity

The expression of a trait (what you see) in an organism is called​ (a)  

• phenotype.

• genotype.

• homozygous.

• heterozygous.

Match the following

• physical trait

• ratio

• gene combination

• genotype

• comparison of 2 or more things

• phenotype

• alternate forms of a gene

• allele

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-4

Match the following

• Hh

• Homozygous

  Recessive

• allele combination

• Homozygous

  Dominant

• variation of a gene

• Heterozygous

• hh

• Allele

• HH

• Genotype

Tags

112.42.c.8.B

The ability to taste the chemical PTC is due to a single gene in humans. Tasters carry the dominant allele T and nontasters carry the recessive allele t. Imagine two heterozygotes have a large family. The phenotypic ratio for tasters:nontasters in their children is __________.

• 9:3:3:1

• 1:1

• 3:1

• 1:2:1

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

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

• homozygous

• hetrozygous

• protein

• chromosome

Tags

NGSS.HS-LS3-1