Can someone answer the missing spots serious inquires only this is for a very big grade and i don’t know the answers

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height

What will happen if two of the base pairs of the stand of the dna are switched

What type of reaction is photosynthesis