A cross between pure-bred pea plants having yellow round seeds with those having green wrinkled seeds would produce F 1 plants withA- Round yellow seedsB- round green seedsC- wrinkled green seedsD- wrinkled yellow seeds

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Byju's Answer

Standard XII

Biology

Calculation of Phenotypic and Genotypic Ratios

A cross betwe...

Question

A cross between pure-bred pea plants having yellow round seeds with those having green wrinkled seeds would produce $F_{1}$ plants with

Round yellow seeds

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round green seeds

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wrinkled yellow seeds

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wrinkled green seeds

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Solution

The correct option is A
Round yellow seeds

Yellow color of pea seeds is dominant over green color and round shape of pea seeds is dominant over wrinkled shape. In a cross between pure yellow round seeded plants (YYRR) and green wrinkled seeded plants (yyrr) would yield plants with yellow round seeds (YyRr) in the $F_{1}$ generation.

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Similar questions

A cross between pure-bred pea plants having yellow round seeds with those having green wrinkled seeds would produce $F_{1}$ plants with:

Mendel first crossed pure-bred pea plants having round -yellow seeds with pure-bred pea plants having wrinkled -green seeds and found that only round- yellow seeds were produced in the $F_{1}$ generation. When $F_{1}$ generation pea plants having round-yellow seeds were cross-bred by self-pollination, then peas having round-yellow seeds, round green seeds, wrinkled-yellow seeds and wrinkled -green seeds were produced. Mendel collected a total of 2160 seeds.

(a) What will be the number of (i) round green seeds (ii) wrinkled green seeds (iii) round yellow seeds, and (iv) wrinkled-yellow seeds?

(b) Which 'ratio' as established by Mendel have you made use of in answering the part (a) above?

A pea plant with round and yellow seeds (RRYY) is crossbred with another pea plant having wrinkled and green seeds (rryy). Among the offspring obtained in F₂ generation, plants with which traits were found to be maximum in number?

Q. A pea plant with yellow and round seeds (YYRR) is crossed with a pea plant having green and wrinkled (yyrr) seeds, then in

F_{2}

generation of this dihybrid cross, 320 plants are produced. Out of which 180 plants have same phenotypic characters. Identify this phenotype.

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A cross between pure-bred pea plants having yellow round seeds with those having green wrinkled seeds would produce F1 plants with

A cross between pure-bred pea plants having yellow round seeds with those having green wrinkled seeds would produce $F_{1}$ plants with