Genetics Punnett, Dihybrid Cross, Incomplete and Complete Dominance

The blending of two traits is known as ---

• incomplete dominance

• codominance

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

• Codominance

• Incomplete dominance

What type of inheritance pattern is shown here?

• Codominance

• Incomplete dominance

What does this Punnett square and the probabilities of the ofspring represent?

• incomplete dominance

• codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Some flowers are controlled by codominance. Red flowers (F^RF^R), blue flowers (F^BF^B) and Speckled flowers (F^RF^B).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

• 50% red, 50% speckled

• 25% red, 25% blue

• 100% blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What did Gregor Mendel study?

• Mold Spores

• Pea Plants

• Sun Flowers

• Rats

Tags

NGSS.HS-LS3-2

In genetics, an organism that carries both a dominant and recessive allele for the same trait is called a/n _____.

• amalgam

• blend

• cross

• hybrid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A _____ is the physical appearance of an organism; i.e. black haired, blue-eyed, widow's peak.

• anyoldtype

• genotype

• notmytype

• phenotype

Tags

NGSS.HS-LS3-1

The set of genes carried by an organism; i.e. TT, Tt, tt is called a _____.

• genotype

• phenotype

• prototype

• stereotype

Tags

NGSS.HS-LS3-1