In the results, F2 generation of Mendelian dihybrid cross in pea plant. The ratio of yellow and wrinkled seeded pea plant is

(1) 1/16

(2) 3/16

(3) 4/16

(4) 7/16

Subtopic:  Dihybrid Cross: Details |
 71%
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What will be the ratio of homozygous dominant, homozygous recessive and pure heterozygous traits in F2 generation in pea plant is

(1) 1 : 1 : 8

(2) 2 : 3 : 2

(3) 1 : 1 : 2

(4) 2 : 2 : 6

Subtopic:  Monohybrid Cross: Further Understanding |
 79%
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In the results, F2 generation of Mendelian dihybrid cross in pea plant. The ratio of yellow and wrinkled seeded pea plant to the yellow and round seeded pea plant is

(1) 1 : 2

(2) 1 : 4

(3) 1 : 3

(4) 3 : 5

Subtopic:  Dihybrid Cross Analysis |
 80%
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Law of Independent Assortment is not applicable to 

(1) Linked genes

(2) Genes on different chromosomes

(3) Distantly located gene

(4) both (2) and (3)

Subtopic:  Dihybrid Cross: Details |
 77%
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Which of the following statement is correct?

(1) Mendel’s work remained unrecognised till 1920.

(2) Mendel’s work suggested that factors were discrete units.

(3) Mendel provided physical proof of the existence of factors.

(4) He used geographical approaches to solve the problems of biology.

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 81%
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Who rediscovered Mendel’s laws?

(1) de Vries

(2) Correns

(3) Von Tschermak

(4) all of these

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 97%
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Pairing and separation of a pair of chromosomes would lead to segregation of a pair of factors they carried. This conclusion was drawn by

(1) Walter Sutton

(2) Theodore Boveri

(3) both (1) and (2)

(4) Thomas Hunt Morgan

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 89%
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Chromosomal theory of inheritance is a combination of

(1) Knowledge of chromosomal segregation with Mendelian principle

(2) Knowledge of Dihybridcross with motion of chromosome

(3) Knowledge of Law of dominance with chromosomal appearance

(4) Knowledge of classical genetics with modern molecular biology

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 86%
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The behaviour of chromosomes and genes can be compared with each other is best explained by which of the following statement?

(1) occur in nucleus

(2) both segregate at the time of gamete formation leading to transmittance of complete pair to a gamete.

(3) Independent pairs( gene) or pair of chromosomes segregate independently of each other or of other pair.

(4) The two alleles of a gene pair are located on homologous site on homologous chromosomes.

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 63%
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The chromosome movement during meiosis have been worked out

(1) 1900

(2) 1902

(3) 1911

(4) 1930

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 69%
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