Genetics Quiz 12th

Who is known as the father of genetics?

• Arathi

• Arjun

• Prithikswala

• Mendel

What is the term used for the mutated form of the original allele?

• Co-dominant allele

• Homozygous allele

• Recessive allele

• Dominant allele

How many pairs of chromosomes does a deployed organism like humans have?

• 12

• 14

• 16

• 18

What is the phenotype of an organism?

• Dominant form of a gene

• Mutated form of an allele

• Morphological appearance

• Genetic constitution

Which law of inheritance explains the expression of only one of the parental characters in the F1 hybrid?

• Law of Dominance

• Law of Purity of Gametes

• Law of Segregation

• Law of Independent Assortment

How many genotypes are possible in the F2 generation of a monohybrid cross?

• 2

• 4

• 5

• 3

What is the formula to calculate the number of gametes formed by an individual?

• n/2

• n^2

• n+2

• 2n

In a dihybrid cross, how many phenotypes are possible?

• 5

• 3

• 2

• 4

What does the law of segregation explain?

• Purity of gametes

• Expression of parental characters

• Independent assortment

• Blending of alleles

How many zygotic combinations of offspring are possible when two parents have genotypes 'AaBb' and 'AaBb'?

• 6

• 8

• 4

• 2