Question

f₂
second filial
generation (f₂)

based on this cross, what color
do you predict the offspring will
be?

□ all purple □ all white

□ some purple and some white

□ a light - purple color from the mixing of
both white and purple

Explanation:

In typical Mendelian genetics (for a simple dominant - recessive trait, e.g., purple as dominant over white in pea plants), when dealing with the \(F_2\) generation from a cross (like a monohybrid cross where \(F_1\) is heterozygous), the offspring show a phenotypic ratio (for dominant - recessive) of 3:1 (dominant:recessive). So there will be some purple (dominant - expressing) and some white (recessive - expressing) offspring. The option "A light - purple color from the mixing of both white and purple" is incorrect as that would be incomplete dominance, and the question context (with \(F_2\) and typical cross setups) implies simple dominance - recessive, not incomplete dominance. "All Purple" or "All White" don't fit the expected phenotypic ratios from a cross that leads to \(F_2\) (usually from \(F_1\) heterozygous cross).

Answer:

Some purple and some white