Non-Mendelian Genetics

If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?

• HH

• Hh

• hh

• None of the above

Tags

NGSS.HS-LS3-1

When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....

• Incomplete Dominance

• Codominance

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

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

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB). Cross two speckled flowers.

• red, 2 speckled, 1 blue

• 2 red, 2 blue

• 2 blue, 2 speckled

• 1 red, 1 speckled, 2 blue

Tags

NGSS.HS-LS3-3

What is the genotype for a brown mouse?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-2

This is an example of ___________?

• Incomplete dominance

• Co-Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes belongs in the red box in the Punnett square?

• X^BX^b

• X^bX^b

• X^bY

• X^BY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What do you call the non-Mendelian inheritance pattern that states that neither trait is dominant and the traits appear to blend together?

• Codominance

• Incomplete dominance

• Polygenic traits

The genetic makeup (alleles) for a trait is called the ...

• genotype

• phenotype

Genotype: rr

• homozygous dominant

• homozygous recessive

• heterozygous dominant