The right answer is a colored square (or shaded).
Polydactyly is defined as the presence of one or more extra fingers in the hand or one or more toes in the foot.
It is a dominant trait, it means that the heterozygotes will express the trait.
In general, healthy men are represented by white squares, while sick men are represented by colored squares (most often in black).
The seeds she planted in the mud grew quicker because the mud is holding nutrition for the corn. The soil is a good guess to make, but the mud is more dense and moist. The water wouldn't have had more nutrients than the mud, just because the mud holds breakdown matter and other things from other plants.
The answer would be D.
Enzymes activity increases as the temperature increase so, therefore the answer would be D.
but to be fair they all would work.
The answer is the first choice: Blue Eyes.
Polygenic traits are those controlled by two or more genes (hence the name "poly" in the term). Other examples would be skin color and height.
Hope this helps! :)