Problem

Solutions For An Introduction to Genetic Analysis Chapter 6 Problem 48P

Step-by-Step Solution

Solution 1

The genotypes of the mice are A/A; B/B; C/C; D/D; S/S and a/a; b/b; c/c; d/d; s/s. The cross between these two genotypes

The parental generation is A/A; B/B; C/C; D/D; S/S X a/a; b/b; c/c; d/d; s/s

F1 generation Picture 1 A/a; B/b; C/c; D/d; S/s

In F1 generation, the gametes are self-crossed:

A/a; B/b; C/c; D/d; S/s X A/a; B/b; C/c; D/d; S/s

In F2 generation, the resulted traits are as follows:

3/4 A/A; 3/4 B/B; 3/4 C/C; 3/4 D/D; 3/4 S/S = 243/1024 agouti

3/4 A/A; 3/4 B/-; 3/4 C/-; 3/4 D/-; 1/4 s/s = 81/1024 spotted agouti

3/4 A/A; 3/4 B/-; 3/4 C/-; 1/4 d/d; 3/4 S/s = 81/1024 dilute agouti

3/4 A/A; 3/4 B/-; 3/4 C/-; 1/4 d/d; 1/4 s/s = 27/1024 dilute spotted agouti

3/4 A/A; 3/4 B/-; 1/4 c/c; 3/4 D/d; 3/4 S/s = 81/1024 albino

3/4 A/a; 3/4 B/-; 1/4 c/c; 3/4 d/d; 1/4 s/s = 27/1024 albino

3/4 A/a; 3/4 B/-; 1/4 c/c; 1/4 d/d; 3/4 S/s = 27/1024 albino

3/4 A/a; 3/4 B/-; 1/4 c/c; 1/4 d/d; 1/4 s/s = 81/1024 albino

3/4 A/a; 1/4 b/b; 3/4 C/c; 3/4 D/d; 3/4 S/s = 81/1024 agouti brown

3/4 A/a; 1/4 b/b; 3/4 C/c; 3/4 d/d; 1/4 s/s = 27/1024 agouti brown spotted

3/4 A/a; 1/4 b/b; 3/4 C/c; 1/4 d/d; 3/4 S/s = 27/1024 dilute agouti brown

3/4 A/a; 1/4 b/b; 3/4 C/c; 1/4 d/d; 1/4 s/s = 9/1024 dilute spotted agouti

brown

3/4 A/-; 1/4 b/b; 1/4 c/c; 3/4 D/-; 3/4 S/- = 27/1024 albino

3/4 A/-; 1/4 b/b; 1/4 c/c; 3/4 D/-; 1/4 s/s = 9/1024 albino

3/4 A/-; 1/4 b/b; 1/4 c/c; 1/4 d/d; 3/4 S/- = 9/1024 albino

3/4 A/-; 1/4 b/b; 1/4 c/c; 1/4 d/d; 1/4 s/s = 3/1024 albino

1/4 a/a; 3/4 B/-; 3/4 C/-; 3/4 D/-; 3/4 S/- = 81/1024 black

1/4 a/a; 3/4 B/-; 3/4 C/-; 3/4 D/-; 1/4 s/s = 27/1024 black spotted

1/4 a/a; 3/4 B/-; 3/4 C/-; 1/4 d/d; 3/4 S/- = 27/1024 dilute black

1/4 a/a; 3/4 B/-; 3/4 C/-; 1/4 d/d; 1/4 s/s = 9/1024 diluted spotted black

1/4 a/a; 3/4 B/-; 1/4 c/c; 3/4 D/-; 3/4 S/- = 27/1024 albino

1/4 a/a; 3/4 B/-; 1/4 c/c; 3/4 D/-; 1/4 s/s = 9/1024 albino

1/4 a/a; 3/4 B/-; 1/4 c/c; 1/4 d/d; 3/4 S/- = 9/1024 albino

1/4 a/a; 3/4 B/-; 1/4 c/c; 1/4 d/d; 1/4 s/s = 27/1024 albino

1/4 a/a; 1/4 b/b; 3/4 C/-; 3/4 D/-; 3/4 S/- = 27/1024 brown

1/4 a/a; 1/4 b/b; 3/4 C/-; 3/4 D/-; 1/4 s/s = 9/1024 brown spotted

1/4 a/a; 1/4 b/b; 3/4 C/-; 1/4 d/d; 3/4 S/- = 9/1024 dilute brown

1/4 a/a; 1/4 b/b; 3/4 C/-; 1/4 d/d; 1/4 s/s = 3/1024 dilute spotted brown

1/4 a/a; 1/4 b/b; 1/4 c/c; 3/4 D/-; 3/4 S/- = 9/1024 albino

1/4 a/a; 1/4 b/b; 1/4 c/c; 3/4 D/-; 1/4 s/s = 3/1024 albino

1/4 a/a; 1/4 b/b; 1/4 c/c; 1/4 d/d; 3/4 S/- = 3/1024 albino

1/4 a/a; 1/4 b/b; 1/4 c/c; 1/4 d/d; 1/4 s/s = 1/1024 albino

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