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Biology
Principles of Inheritance and Variation
198 questions from 38 papers, each with its answer.
- 198 questions
- 38 papers
- 5.62% of Biology
Types of gene interaction/inheritance patterns
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Match List I with List II:
Pick the matching item from Column II for each row.
Column I
- i. Incomplete dominance
- ii. Co-dominance
- iii. Pleiotropy
- iv. Polygenic inheritance
Column II
- a. Human skin colour
- b. Inheritance of flower colour in $Antirrhinum$ sp.
- c. Phenylketonuria disease in humans
- d. ABO blood groups
Correct answer: i → b, ii → d, iii → c, iv → a
Sickle-cell anaemia - molecular basis (point mutation)
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The sixth mutant codon of beta globin gene causing polymerization of Haemoglobin and change in RBC shape is _______.
ABO blood group inheritance
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What is the probability of having children with 'O' blood group, where both mother and father are heterozygous for 'A' and 'B' blood group, respectively?
Chromosomal sex determination (XO type)
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In a population of a grasshopper species, the chromosome number of some members is 23 and some other members possess 24 chromosomes. The 23 and 24 chromosome-bearing members in this species are _______.
Haplodiploidy - gamete formation in male honeybees
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In which animal do haploid cells divide mitotically to produce gametes?
That is every question in Principles of Inheritance and Variation for this filter.
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