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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
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Total Questions10
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Available Sets6
Biology - 12th Class Biology Chapter 22 Short Questions Preparation
Question # 1
Assign the sex of the human having XO,XXX,XXY and XYY chromosomes.
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Ans 1: Species XX XY XO XXY
Human Female Male Male Male
Drosophila Female Male Female Female
12th Class Biology Chapter 22 Short Questions Preparation - Set 1
Question # 1
Assign the sex of the human having XO,XXX,XXY and XYY chromosomes.
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Ans 1: Species XX XY XO XXY
Human Female Male Male Male
Drosophila Female Male Female Female
12th Class Biology Chapter 22 Short Questions Preparation - Set 2
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.
12th Class Biology Chapter 22 Short Questions Preparation - Set 3
Question # 1
How does ABO incompatibility protect the developing baby against Rh-
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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.
12th Class Biology Chapter 22 Short Questions Preparation - Set 4
Question # 1
Define linkage and give its one disadvantage.
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Ans 1: Phenomenon of staying together of all the genes of a chromosomes is called linkage.
Its disadvantage is that,alleles cannot be assorted independently and no new recombinations are formed.
12th Class Biology Chapter 22 Short Questions Preparation - Set 5
Question # 1
What is tetrad?
- Ans 1: Each pair of homologous chromosome which consists of four chromatids is called tetrad.
12th Class Biology Chapter 22 Short Questions Preparation - Set 6
Question # 1
Define linkage and give its one disadvantage.
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Ans 1: Phenomenon of staying together of all the genes of a chromosomes is called linkage.
Its disadvantage is that,alleles cannot be assorted independently and no new recombinations are formed.
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.
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