Solutions For An Introduction to Genetic Analysis Chapter 6 Problem 76P

(3)

F₁

A/-; B/b X A/a; B/b

F₂

9 A/-; B/- black

3 A/-; b/b white

3 a/a; B/- black

1 a/a; b/b black

A testcross of F₁ would be A/a; B/b X a/a; b/b producing the following offspring ratio.

1/4 A/a; B/b black

1/4 a/a; B/b black

1/4 A/a; b/b white

1/4 a/a; b/b black

(4)

F₁

A/a; B/b X A/a; B/b

F₂

9 A/-; B/- solid red

3 A/-; b/b mottled red

3 a/a; B/- small red dots

1 a/a; b/b small red dots

A testcross of F₁ would be A/a; B/b X a/a; b/b producing the following offspring ratio.

1/4 A/a; B/b solid red

1/4 a/a; B/b small red dots

1/4 A/a; b/b mottled red

1/4 a/a; b/b small red dots