Q. Which of the following is/are the principles/laws of Mendel?
1.Law of Dominance
2.Law of Segregation
3.Law of Reproduction
Choose the correct answer from below given codes:

[A] 1 only

[B] 1 and 2 only

[C] 2 and 3 only

[D] 1, 2 and 3

Answer: B
Notes:

Explanation: Based on his observations on monohybrid crosses Mendel proposed two general rules to consolidate his understanding of inheritance in monohybrid crosses.

Today these rules are called the Principles or Laws of Inheritance: the First Law or Law of Dominance and the Second Law or Law of Segregation.

Source: Science NCERT