Answer:
[tex]\frac{1}{2}[/tex]
Explanation:
Homzy. type A blood = AA
Heterozygous type B blood = Bb
Punnett square
| B | b
A | AB | Ab
A | AB | Ab
The ratio is = 2:2 = 1 : 1
The total number of outcomes are 4
The number of AB are 2
Thus the probability is [tex]\frac{2}{4} = \frac{1}{2}[/tex]
