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Mendelian Genetics MCQs for Competitive Exams

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Mendelian Genetics MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

292 MCQs Page 2

Topic Notes: Mendelian Genetics

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Mendelian Genetics MCQs in Agriculture are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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11
In a cross between a red-flowered and a white-flowered pea plant, if the F1 generation displays only red flowers, how is the white flower trait classified?
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12
What is the expected genotype and phenotype of the offspring when crossing a homozygous tall plant with a homozygous dwarf plant?
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13
What is the definition of epistasis in the context of genetics?
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14
Which term refers to the complete genetic constitution of an organism?
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15
If an F2 population from a genetic cross exhibits 50% recombinant individuals, what is the primary biological cause?
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16
Match the following scientists with their respective scientific contributions: Shull, Waldeyer, Fairchild, and Watson & Crick.
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17
Match the following genetic terms with their correct definitions: (a) Allele, (b) Phenocopy, (c) Test cross, (d) Epistatic gene.
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18
Who is credited with the initial discovery of the gametophytic system of self-incompatibility in plants?
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19
What is the specific term for a cross between an F1 hybrid and a homozygous recessive parent?
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20
What is the expected phenotypic ratio in the progeny when a dihybrid is subjected to a test cross?
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