Help with genetic problem?

0 ⤊

Help with genetic problem?

Indicate the frequent genorype among them.

a. AABB x aaBB

b.AaBB x AABb

c. AaBb x aabb

d. AaBb x AaBb

2007-11-20 17:19:41 · 3 answers · asked by Azumi 2 in Science & Mathematics ➔ Biology

3 answers

a. AABB x aaBB
AaBB
AABB
aaBB
b. AaBB x AABb
AABB
AaBB
AABb
AaBb
c. AaBb x aabb
AaBb
aaBb
Aabb
aabb
d. AaBb x AaBb
AABb
AaBb
aaBb
AABB
AaBB
aaBB
AAbb
Aabb
aabb

2007-11-20 17:59:19 · answer #1 · answered by I/IBAH 1 · 0⤊ 0⤋

a. AABB x aaBB => AaBB

b.AaBB x AABb =>AABB, AaBB, AABb, AaBb 1:1:1:1

c. AaBb x aabb => Aa Bb, aaBb, Aabb, aabb 1:1:1:1

d. AaBb x AaBb => dihybrid cross genotype is 1:4:6:4:1= (p+q)^4 => AaBb 4/16

2007-11-21 01:46:43 · answer #2 · answered by gardengallivant 7 · 0⤊ 0⤋

a. Offsprings are all AaBB
b. No predominant genotype. 1:1:1:1 ratio of
(AABB:AABb:AaBB:AaBb)
c. No predominant genotype: 1:1:1:1 ratio of(AaBb:Aabb:aaBb:aabb)
d. AaBb is the most frequent genotype

2007-11-21 01:38:59 · answer #3 · answered by rushlyn 2 · 0⤊ 0⤋