Nonmendelian Genetics

Front

In snapdragons, flower color is an incompletely dominant trait. Which genotype will lead to a third blended phenotype? Options: Homozygous dominant, Heterozygous, Homozygous recessive

Back

Heterozygous

Front

Which cross would result in 100% pink flowers in snapdragons? Options:

RR x rr

,

rr x rr

,

Rr x Rr

,

RR x RR

Back

RR x rr

Front

In chickens, black is co dominant with white feathers. Which cross would result in 50% black and white feathers? Options: BW x BW, BB x WW, BW x WW, WW x BB

Back

BW x BW

Front

In a certain breed of cattle, both red and white hairs show up together. This is an example of which type of inheritance pattern?

Back

codominance

Front

What is the name for traits that are controlled by many genes such as height and skin color?

Back

polygenic

Front

A child has blood type AB. Which blood types would his parents most likely have?

Back

A and B

Front

Having two of the SAME alleles for a trait (example HH or hh):

Back

homozygous

Front

This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending.

Back

incomplete dominance

Front

This type of inheritance pattern shows BOTH traits in possible offspring: complete dominance, incomplete dominance, co-dominance, Indomitable

Back

co-dominance

Front

When two or more genes control one single trait.

Back

Polygenetic Traits