Nowadays we have much more modernized farming. There are combines, tractors and other machines. Back then they used hundreds of workers and now 1 machine gets all that done in half the time. Try googling it for more info.
Well this really depends on if the father is homozygous or heterozygous for type A.
But lets say he is homozygous for right now. That mean if he were to produce offspring with a type O women then all of there offspring would be heterozygous for type A.
If the father was heterozygous for type A and he produced with the same type O mother then the offspring would be either type O or heterozygous type A. In this case there is a 50% chance either way.
Hope this makes sense(;
Answer:
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Hope this helps, have a nice day/night! :D
In summer, the temperature of Vermont is lower than that in Florida. And the temperature is an important factor influences the gas dissolving ability. When temperature increases, the ability will decrease. So there is more dissolved oxygen in Vermont's lake.
Highly unlikely both parents have to be colorblind