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A Mendelian experiment consisted of bree...

A Mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers, but almost half of them were short. This suggest that the genetic make-up of the tall parent can be depicted as

A

TTWW

B

Ttww

C

TtWW

D

TtWw

Text Solution

Verified by Experts

The correct Answer is:
c
TtWW
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A Mendelian experiment consisted of breeding pea plants bearing violet flowers with pea plants bearing white flowers. What will be the results in F_(1) progeny ?

In a test cross progeny of pea plants ,all were bearing violet flowers.Give the genotypes of the parent pea plants.

Knowledge Check

  • In a Mendelian experiment, breeding of tall pea plants (TT) bearing violet flowers (WW) was done with short pea piants (tt) bearing white flowers (ww). The progeny all bore violet flowers, but almost half of them were short. The genetic make-up of the tall parent can be 1. TTWW 2. TTWW 3. TUWW 4. TUWW Which of these make-ups is/are correct ?

    A
    1 and 2 only
    B
    2 and 3 only
    C
    4 only
    D
    3 only

  • Assertion: A geneticist crossed a pea plant having violet flowers with a pea plant with white flowers, he got all violet flowers in first generation. Reason: White colour gene is not passed on to next generation.

    A
    Both A and R are true, and R is correct explanation of the assertion.
    B
    Both A and R are true, but R is not the correct explanation of the assertion.
    C
    A is true, but R is false.
    D
    A is false, but R is true.

  • A pea plant parent having violet coloured flowers with unknown genotype was a plant having white coloured flowers in the progeny 50% of the flowers were violet and 50% were white. The genotype constitution of the parent having violet coloured flower was:

    A
    homozygous
    B
    merozygous
    C
    hemizygous
    D
    heterozygous

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    (a) A garden pea plant bearing terminal, violet flowers, when crossed with another pea plant bearing axial, violet flowers, produced axial, violet flowers and axial, white flowers in the ratio of 3 : 1. Work out the cross showing the genotypes of the parent pea plants and their progeny. (b) Name and state the law that can be derived from this cross and not from a monohybrid cross.

    Name the type of cross that would help to find the genotype of a pea plant bearing violet flowers.

    A tall pea plants bearing violet flowers is given with its unknown genotypes. Explain by working out the crosses how would you find the correct genotypes with respect to the two traits mentioned only by " selfing" the given plants.

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