2. Checkered pattern (C) in pigeons is caused by a dominant alelle. A plain (non-checkered) pattern (c) is recessive. Red color (R) is also caused by a dominant alelle and brown color (r) by a recessive allele. a. Show the punnett square.

b. Show the expected phenotypes of the offspring of a cross between a heterozygous checkered red bird and a plain brown bird.

c. What kind of genetic problem is this? (monohybrid, dihybrid or multiple allele)