A dad is heterozygous for Type B blood, while mom has Type AB blood. What is the genotypic ratio from this cross?
02:2
0 3:1
1.1.1:1
4:0
1:2:1

2:2

Explanation:

so we have the father as Bb and the mom as AB, by using a Punnett square we get so we have AB, Ab, BB, Bb types

we have 2 ut of 4 chances of getting A AND 2 OF GETTING B, so ratio is 2:2

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

i think that it is plants