Non-Mendelian Genetics

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

• Incomplete Dominance

• Codominance

• Independent assortment

• Recessive inheritance

Tags

NGSS.HS-LS3-2

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

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This type of inheritance pattern is a MIXTURE of both traits. Example, one flower is red and the other flower is white but they reproduce a pink offspring.

• incomplete dominance

• co-dominance

• complete dominance

• recessive pattern

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of incomplete dominance in genetics?

• Red and white flowers producing pink flowers

• Blood type inheritance in humans

• Eye color inheritance in fruit flies

• Height variation in pea plants

What is the phenomenon where one gene affects multiple phenotypic traits called?

• Epistasis

• Pleiotropy

• Polygenic inheritance

• Codominance

In codominance, which of the following occurs?

• Both alleles are expressed equally in the phenotype

• One allele is completely dominant over the other

• The phenotype is a blend of both alleles

• Neither allele is expressed in the phenotype

Which genetic concept explains the inheritance of mitochondrial DNA?

• Mendelian inheritance

• Cytoplasmic inheritance

• Linkage

• Epigenetics

What is the term for a gene that masks the expression of another gene at a different locus?

• Epistatic gene

• Recessive gene

• Dominant gene

• Modifier gene

Which of the following is an example of a polygenic trait?

• Blood type

• Skin color

• Flower color in pea plants

• Sickle cell anemia

How does genomic imprinting affect gene expression?

• It silences one allele based on parental origin

• It enhances the expression of both alleles

• It randomly silences one allele

• It has no effect on gene expression