A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F 1 plants were selfed the resulting genotypes were in the ratio

1 : 2 : 1 :: Tall homozygous : Tall heterozygous : Dwarf

1 : 2 : 1 :: Tall heterozygous : Tall homozygous : Dwarf

Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 185

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A test cross is carried out to :

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Important Questions on Principles of Inheritance and Variation

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 186

Represented below is the inheritance pattern of a certain type of traits in humans. Which one of the following conditions could be an example of this pattern?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 187

If two persons with the 'AB' blood group marry and have a sufficiently large number of children, these children could be classified as 'A' blood group: 'AB' blood group 'B' blood group in 1: 2: 1 ratio. The modern technique of protein electrophoresis reveals the presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of:

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 188

Which Mendelism idea is depicted by a cross in which the

F_{1}

generation resembles both the parents?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 189

Which of the following statements is not true of two genes that show

50 %

recombination frequency?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 190

The incorrect statement with regard to haemophilia is:

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 191

If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- I (Conceptual Questions)>Q 192

In a given pedigree there is a inheritance of certain character of two families, which of the following option is correct for the inheritance of that character?

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