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

Start Test Download PDF

Biology - 12th Class Biology Chapter 22 Short Questions Preparation

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.
Submit

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

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.
Submit

12th Class Biology Chapter 22 Short Questions Preparation - Set 2

Question # 1

How does ABO incompatibility protect the developing baby against Rh-

  • Ans 1: Incompatiability
    Rh sensitization of Rh mother can be easily avoided If mother is given an injection of Rh antiserum during early pregnancy and immediately after birth.
Submit

12th Class Biology Chapter 22 Short Questions Preparation - Set 3

Question # 1

What are multiple alleles,give its example?

  • Ans 1: When a gene exists in more than two alternate forms called multiple alleles.Blood group ABO is an example of multiple alleles.
Submit

12th Class Biology Chapter 22 Short Questions Preparation - Set 4

Question # 1

What do you know about co-dominance?

  • Ans 1: Different alleles of a gene that are both expressed in a heterozygous condition is called co-dominance.
Submit

12th Class Biology Chapter 22 Short Questions Preparation - Set 5

Question # 1

Define recombination frequency.Give an example.

  • Ans 1: It is the proportion of recombinant type between two gene pairs as compared to sum of all combinations.
Submit

12th Class Biology Chapter 22 Short Questions Preparation - Set 6

Question # 1

Define recombination frequency.Give an example.

  • Ans 1: It is the proportion of recombinant type between two gene pairs as compared to sum of all combinations.
Submit

ic-science-white
Biology
22th Chapter

12th Class Biology Chapter 22 Short Questions

Here you can prepare 12th Class Biology Chapter 22 (Variation and Genetics). Click the button for 100% free full practice.

Start Chapter 22 Preparation

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!