First slide

Inheritance of One Gene

Question

Using the results of his experiments with pea plant crosses, Gregor Mendel discovered the

Easy

A

principles of dominance, segregation and independent assortment
B

intermediate inheritance and gene linkage
C

pea plants develop mutation. after exposure to radiation
D

DNA is involved in the inheritance of dominant traits

Solution

Mendel proposed the principles of inheritance, which are today referred to as ‘Mendel’s Laws of Inheritance’.
Law of dominance - The dominant characters are expressed when factors are in heterozygous condition.
Law of segregation - A recessive character that was not expressed in heterozygous condition may be expressed again when it becomes homozygous. Hence, characters segregate while formation of gametes.
Law of independent assortment - When Mendel studied the inheritance of two characters together, it was found that the factors independently assort and combine in all permutations and combinations.

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