Using height (tallness / dwarfness) of a plant as an example, show that genes control the characteristics or traits in an organism.

Dominant and Recessive Traits, Expression of Traits Through Genes | PadhAiPro

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CASE_STUDIESDominant and Recessive TraitsExpression of Traits Through GenesCBSE PYQ2 sub-questions

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If pea plants with round and green seeds (RRyy) are crossed with pea plants having wrinkled and yellow seeds (rrYY), the seeds developed by the plants of F₁ generation will be :

MCQ (Single)Mendel's Experiments with Pea PlantsDominant and Recessive TraitsLaw of Independent Assortment

Mendel worked out the rules of heredity by working on garden pea using a number of visible contrasting characters. He conducted several experiments by making a cross with one or two pairs of contrasting characters of pea plant. On the basis of his observations he gave some interpretations which helped to study the mechanism of inheritance.

CASE_STUDIESMendel's Experiments with Pea PlantsDominant and Recessive TraitsLaw of Independent Assortment

In one of Mendalian experiments, when F₁ generation pea plants with round yellow seeds were self-pollinated, pea seeds with the following combinations were obtained in F₂ generation : Seeds: Round yellow - 800, Round green - 275, Wrinkled yellow - 268, Wrinkled green - 90 Analyse the result and describe the mechanism of inheritance of traits which explains the above results.

TextMendel's Experiments with Pea PlantsDominant and Recessive TraitsLaw of Independent Assortment

Mendel crossed pure tall pea plants (TT) with pure short pea plants (tt) and obtained F₁ progeny. When the plants of F₁ progeny were self-pollinated, plants of F₂ progeny were obtained.

CASE_STUDIESMendel's Experiments with Pea PlantsDominant and Recessive TraitsLaw of Segregation

A plant with violet flowers (VV) was crossed with a plant with white flowers (vv).

CASE_STUDIESMendel's Experiments with Pea PlantsDominant and Recessive Traits

Name any two pairs of contrasting characters other than height used by Mendel in his experiments.

TextMendel's Experiments with Pea PlantsDominant and Recessive TraitsLaw of Segregation