Suppose a plant has two alleles for colour, green is dominant and yellow is recessive. If we cross a heterozygous plant with a green homozygous plant, what is the expected ratio of green:yellow plants in the F1 progeny?

A child with wavy hair can result from a parent with straight hair and a parent with curly hair. What type of interaction is this?

In a cross of AaBbCc x AaBbCc, what is the probability of producing an offspring with the genotype AABBCC?

In cows, heterozygotes are roan in colour, while homozygotes are either red or white. When crossing a roan and red cow, what proportion of the offspring will be red in colour?

If a woman with a disease trait, which is X-linked recessive, has children with an unaffected male, which of the following statements would be most accurate?