I believe it’s by the traits, so it would be physical structures. Because of there’s only two options available, which is see better by the traits of the unknown specimens.
Lol I think thouuuu cuz I do fully remember everything.
The probability also depends on the other parents genotype. If the other parent has a genotype of RR then the probability is 0%. If the genotype is Rr it is 25%. And if the genotype is rr it is also 25%.
After sorting, the blank cells will be located at the bottom of the filled cells.
For the Microsoft excel software, the software has been designed in such a way that the empty cells will always be below the filled cell after sorting action is performed on the cells. Excel typically use blank column to set a data range.