2nd Year Biology Chapter 22 Notes
Complete handwritten Chapter No.22: 2nd Year Biology Chapter 22 Notes written by Professor Professor Mr. Adnan Haider. These notes are very helpful in the preparation of Genetics and Variation Class 12 of Biology for the students of the intermediate and these are according to the paper patterns of all Punjab boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Important 2nd Year Biology Chapter 22 mcqs for Intermediate part-II students.
- What is the difference between phenotype and genotype?
- Define population. What is the product rule?
- Name different types of dominance relations among alleles.
- Who discovered the ABO blood group?
- What is cross-over or recombinant frequency?
- Name the organism that lacks sex chromosomes.
- Important 2nd Year Biology Chapter 22 short questions for Intermediate part-II students.
- Which one is true color blindness: monochromacy or dichromacy?
- How and why did Mendelian factors behave like chromosomes?
- How sexual dimorphism is exhibited in Drosophila?
- What are genes and alleles? Differentiate between Monohybrid and dihybrid?
- Differentiate between Homozygous and heterozygous?
- Differentiate between Sex limited and sex-influenced traits?
- Differentiate between Incomplete dominance and codominance?
- Important 2nd Year Biology Chapter 22 important short questions for Intermediate part-II students.
- Differentiate between Dominant and recessive traits?
- Differentiate between Continuous and discontinuous variations?
- Differentiate between Wild type and mutant?
- What pea a lucky choice for Mendel? What would have happened if he had studied an eight-character?
- What would happen if alleles of a pair do not segregate at meiosis? How would it affect the purity of the gamete?
- Important important short questions of Biology 2nd Year Chapter 22 for Intermediate part-II students.
- Why each gamete had an equal chance of getting one or the other allele of a pair?
- Does the dominant allele modify the determinative nature of its recessive partner? What sort of relationship do they have?
- Why does the blood group phenotype of a person remain constant throughout life?
- What is a universal blood donor?
- How can ABO - incompatibility protect the baby against Rh - incompatibility?
- Which types of genes do not obey law of independent assortment?
- How can linked genes be separated from each other?
- What is multifactorial inheritance? What is MODY?
- Important 2nd Year Biology Chapter 22 important long questions for Intermediate part-II students.
- Can a child have more intelligence (IQ score) than his parents?
- What is Locus? What are Alleles?
- Why Mendel is famous for?
- Define Mendel's Law of Independent Assortment or simultaneous inheritance of two traits.
- Who discovered the ABO blood group?
- What phenotypes would be produced by the following genotypes: IAIA, IAi, IBi, and ii in the ABO blood system?
- Why does blood group phenotype never change?
- Name the anti-bodies found in blood serum of phenotype A, B AB and O?
- What is Erythroblastosis foetalis (Maternal - foetal Rh incompatibility)?
- Why erythroblastosis foetalis is called so?
- What happens when a cat gets Wallele?
- Important long question of Biology 2nd year chapter 22
- What are two aspects of phenotypic expression of traits?
- What environmental factors affect the grain colour in wheat?
- What do you know about the tallness and shortness in humans?
- What is gene linkage?? Define crossing over.
- How many pairs of sex and autosome chromosomes are present in humans?
- What is SRY? What do you know about the chromosome number of Grasshopper?
- Differentiate between homogametic and heterogametic individuals?
- Which animals show XX - XY type or WZ - ZZ type of sex determination?
- Compare XXY individuals in humans and Drosophila?
- Differentiate between monoecious and dioecious plants?
- Why single recessive allele on the X chromosome can express itself in males?
- What are Sex-linked and X-linked traits?
- What is the Pattern of sex-linked inheritance?
- What are Y-linked genes?
- What are X - and Y - genes?
- Why X - and - Y-linked genes are called pseudoautosomal?
- What are the different types of haemophilia?
- What is the percentage of different types of haemophilia?
- does huntington's disease affect more males than females
- Which type of haemophilia affects men more than women?
- does parkinsons affect men more than women
- When a woman can suffer from haemophilia A or B?
- What is the pattern of inheritance of haemophilia?
- What is dichromat? What are the different types of dichromatic blindness?
- Differentiate between protanopia deuteranopia and tritanopia.
- What are protanomalous and deuteranomalous?
- What is Blue cone monochromacy?