The study of genes and inheritance is called genetics.
The correct answer is all four.
The father of genetics is Gregor John Mendel. He gave the law of independent assortment in which he defined the free separation of gamete.
He stated that all the gamete during the gamete formation can be fused with any gamete of the other parents.
According to the question, when gamete can be assorted independently it can form all the combinations and shows all the characters mentioned in the question.
Hence, the correct answer is all of them.
For more information, refer to the link:-
https://brainly.com/question/19200238
