<span>d. Does sugar or salt have a greater effect on plant growth?
This question has measurable outcomes, that can be repeated and tested. </span>
I just did it and got it correct the answer is inside the circle which is the first one. Good luck on the questions.
Answer: Option B - There are more than four genes that determine this trait.
Explanation:
The tobacco plant species have its leaf colour with characteristics that changes gradually over a range of values, which refers to continuous variation.
Note that continuous variation keep expressing gene variants in successive generations of the tobacco plants, that differs from the parents. So, there are MORE THAN four genes controling the expression of varying phenotypes in the leaves
