19-20 Genetics Quizizz

A breed of cow shows co-dominance for fur color. One allele codes for white fur, another codes for red fur. The fur of a heterozygous cow would be______

• red and white (roan)

• red

• white

• pink

In rabbits, there are four different versions of the gene for coat color. Another example of this type of inheritance is three different alleles for blood types. What type of inheritance is this?

• polygenic inheritance

• sex linked

• multiple alleles

• incomplete dominance

The wide variation in human skin color, human height, and weight are all examples of

• polygenic traits

• multiple alleles

• incomplete dominance

• co-dominance

Hydrangea plants can change flower colors based on the pH of the soil they are grown in. What causes this?

• Genes only

• environment only

• the environment affecting the genes

• complete dominance

Which of the following pairs of human blood genotypes result in the same phenotype?

• AA and AO

• BB and AB

• AA and AB

• BO and OO

DO A PUNNETT SQUARE - Color blindness is a sex-linked recessive trait. A color blind man marries a carrier female. What percent of his daughters will be color blind?

• 0%

• 25%

• 50%

• 100%

Hemophilia is more common in males than females because the allele for hemophilia is ______________

• located on the Y chromosome

• located on the X chromosome

• located on an autosome

• controlled by the environment

A human female inherits

• twice as many sex chromosomes as a male

• a X and a Y chromosome

• two X chromosomes

• the same exact genes as a male

Organisms that have two identical alleles for a particular trait are said to be

• hybrid

• homeostasis

• homozygous

• heterozygous

Physical appearance is called____________, while the genetic make up is called ______________

• phenotype, genotype

• hybrid, homozygous

• homozygous, heterozygous

• genotype, phenotype