7.3 Monohybrid Punnett Squares 2023

In flies, red eyes (R) are dominant to brown eyes (r). A heterozygote fly is crossed with a homozygous recessive fly. What fraction of offpsring will be heterozygotes?

In a plant species, long stems (L) are dominant to short stems (l). A heterozygous plant is crossed with a homozygous dominant plant. What percentage of offspring will have short stems?

In a plant species, long stems (L) are dominant to short stems (l). A heterozygous plant is crossed with a homozygous dominant plant. What will be the ratio of genotypes in the offspring?

In a species of mammals, gray fur (G) is dominant to white fur (g). Two heterozygous mammals are mated together and produce offspring. What fraction of offspring will have gray fur?

In a species of mammals, gray fur (G) is dominant to white fur (g). Two heterozygous mammals are mated together and produce offspring. What percentage of the offspring will have white fur?

In plants, being short (t) is recessive to the tall allele (T).

A heterozygous plant is crossed with a short plant. What will be the ratio of tall plants to short plants?

In plants, being short (t) is recessive to the tall allele (T).

A heterozygous plant is crossed with a short plant. What fraction of offspring will be homozygous recessive?

In a certain animal, brown eyes are dominant and blue eyes are recessive. A heterozygote is mated with a blue eyed animal. What fraction of offspring will have blue eyes?

In a certain animal, brown eyes are dominant and blue eyes are recessive. A heterozygote is mated with a blue eyed animal. What percentage of the offspring will be heterozygotes?

In flies, small wings (w) are recessive to large wings (W). A

homozygous dominant fly is mated with a homozygous recessive fly. What percentage of offspring will have a Ww genotype?

In flies, small wings (w) are recessive to large wings (W). A

homozygous dominant fly is mated with a homozygous recessive fly. What percentage of offspring will have small wings?

Having attached earlobes (e) is recessive to unattached earlobes (E). A man with genotype (Ee) and a woman with attached earlobes have a child. What is the percent chance the child has attached earlobes?

Having attached earlobes (e) is recessive to unattached earlobes (E). A man with genotype (Ee) and a woman with attached earlobes have a child. What fraction of this couple’s children are likely to be genotype Ee?

In cats, long hair (H) is dominant to short hair (h). A cat with long hair (Hh) is mated with a cat that also has long hair (Hh). What fraction of offspring will have short hair?

In cats, long hair (H) is dominant to short hair (h). A cat with long hair (Hh) is mated with a cat that also has long hair (Hh). What will be the ratio of long hair to short hair?

In pigeons, normal feathers are dominant to frizzy feathers.

Two heterozygote pigeons mate with each other and produce offspring. What fraction of offspring will have normal feathers?

In pigeons, normal feathers are dominant to frizzy feathers.

Two heterozygote pigeons mate with each other and produce offspring. What percentage of the offspring will have frizzy feathers?

In pea plants, yellow peas (g) are recessive to green peas (G). Two plants with yellow peas are crossed together. What percentage of offspring will have yellow peas?

In pea plants, yellow peas (g) are recessive to green peas (G). Two plants with yellow peas are crossed together. What percentage of offspring will be heterozygotes?