Multiple Choice Questions (MCQs) and Fill In the blanks

Genetics Quiz Questions And Answers
- Experiments on Plant Hybridization was written by:
(a) Sutten (b) Mendel (c) Darwin (d) De Varies
- Word gene was used by:
(a) Sutten (b) Mendel (c) Bateson (d) De Varies
- The cross in which two characters are followed at the same time is called:
(a) Monhybrid cross (b) Reciprocal cross
(c) Dihybrids cross (d) Hybrid cross
- When round wrinkle were cross, it gave all round. This
round is:
(a) PI generation (b) F1 generation
(c) F2 generation (d) FA Generation
- When tall is crossed with dwarf, F1 gives tall, it is:
(a) Recessive (b) Hybrid (c) Dominant (d) none
- The law of segregation gives genotypic ratio in F2 as:
(a) 2:1 (b) 4:1 (c) 3:1 (d) 1:2:1
- In F3 cross the round produce only round were:
(a) V, (b) 1/3 (c) v2 (d) None
- If test cross gives all dominant characters it means the parent is:
(a) Homozygous recessive (b) Heterozygous ‘
(c) Homozygous dominant (d) Heterozygous dominant
- The gametes of F1 are formed in ratio:
(a) 1:2 (b) 1:1:1:1 (c) 9:3:3:1 (d) 1:1
- The gene linkage minimize the chances of:
(a) Cross over (b) Segregation
(c) Genetic recombination (d) Independent assortment
There are 80% parental and 20% recombinant in a
cross. Its recombinant frequency is:
(a) 10% (b) 20% (c) 40% (d) 80%
Answers:
- (b) 2. (c) 3. (c) 4. (c) 5. (c) 6. (d) 7. (a) 8. (c) 9. (b) 10. (a) 11. (b)
Fill in blanks
I. The study of transfer of hereditary characters (genes) from
parent to offspring is called ___
- __________ genetics includes the training of genetists to
diagnose, treat, and counsel patients with genetic disorders or syndromes. - Mendel called the character as_____ pair of a trait.
- A variety which always produces offspring identical to the
parents by self- fertilization is called _________ variety.
- The offspring produced by the cross fertilization between two
plant, differing in one character are called ________
- The offspring produced by the cross fertilization between two
plant, differing in two characters are called_______
- When two pure line parents are crossed with each other, they are
called first________ generation.
- The hereditary information are transmitted from parents to
offspring through________
- When both the alleles of a gene pair in an organism are same, it is called
- When both the alleles of a gene pair in an organism are different,
it is called _________
- The cross which is used to determine the genotype of an
individual is called_________
- The F2 of law of independent assortment progeny gives
_________ phenotypic ratio.
Ans:1. genetics 2. classical 3. elementon 4.true breed
5. Monohybrid 6. dihybrid 7. filial 8. genes
9. homozygous 10. Heterozygous 11. Test
12. 9:3:3:1