12th Class Fsc Biology Online Preparation for chapter 22 (Variation and Genetics)

Online Short Questions For Chapter 8 "12th Class Biology Chapter 22 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 22 Short Questions Preparation

  • Total Questions10

  • Available Sets6

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Biology - 12th Class Biology Chapter 22 Short Questions Preparation

Question # 1

What is a true breeding variety?

  • Ans 1: A true breeding variety upon self fertilization always produced offsprings identical to their parents.
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Prepare Complete Set Wise Questions For Chapter 8 "12th Class Biology Chapter 22 Short Questions Preparation "

12th Class Biology Chapter 22 Short Questions Preparation - Set 1

Question # 1

What is a true breeding variety?

  • Ans 1: A true breeding variety upon self fertilization always produced offsprings identical to their parents.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 2

Question # 1

Differentiate between homozygous and heterozygous.

  • Ans 1: Homozygous: If alleles of a gene pair are in similar from they are called homozygous.
  • Ans 2: Heterozygous: If the alleles of a gene pair are in different from they are called heterozygous.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 3

Question # 1

Define gene linkage and gene linkage groups.

  • Ans 1: Gene linkage: Gene linkage is the tendency of DNA sequences that are close together on a chromosomes to be inherited together during the meiosis phase of sexual reproduction.
  • Ans 2: Gene linkage groups: In genetics all of the genes on a single chromosome are inherited as a group i.e during cell division they act and move as unit rather than independently.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 4

Question # 1

What is haemophillia?Give its type.

  • Ans 1: Haemophilia is rare x-linked recessive trait.Haemophilic's blood does not clot properly after an injury,because it has either a reduction or malfunction or complete absence of blood clotting factor.
    It types are Haemophilia A,haemophilia B and haemophila C.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 5

Question # 1

What do you known about protanopia and tritanopia?

  • Ans 1: Protonopia is red colour blindness while tritonopia is blue color blindness.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 6

Question # 1

State Law of independent assortment.

  • Ans 1: When two contrasting pairs of traits are followed in the same cross,their alleles are assorted independently into gametes.
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12th Class Biology Chapter 22 Short Questions

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