Two pea plants one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds produce $F_{1}$ progeny that have round, yellow (RrYy) seeds. When $F_{1}$ plants are selfed, the $F_{2}$ progeny will have a new combination of characters. Choose the new combination from the following.
(i) Round, yellow
(ii) Round, green
(iii) Wrinkled, yellow
(iv) Wrinkled, green

(i) and (ii)

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(i) and (iv)

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(ii) and (iii)

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(i) and (iii)

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Solution

The correct option is B (i) and (iv)
Parents: RRyy (Round green) X rrYY (Wrinkled Yellow)
Gametes: Ry rY
F $_{1}$ : RrYy

Selfing of F $_{1}$ : RrYy (Round yellow) X RrYy (Round yellow)
Gametes: RY, Ry, rY and ry X RY, Ry, rY and ry

F $_{2}$ : RRYY, RRYy, RrYY, RrYy (Round yellow)
RRYy, RRyy, RrYy, Rryy (Round yellow)
RrYY, RrYy, RrYy, Rryy, (Round yellow)
rrYY, rrYy, rrYy (Wrinkled yellow)
rryy (Wrinkled green)

The new combination of characters are: Round yellow and Wrinkled green. apart from parental combinations - Round green and Wrinkled yellow.

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Question 11
Two pea plants one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds produce F1 progeny that have round, yellow (RrYy) seeds. When F1 plants are selfed, the F2 progeny will have a new combination of characters. Choose the new combination from the following.

(i) Round, yellow
(ii) Round, green
(iii) Wrinkled, yellow
(iv)Wrinkled, green

(a) (i) and (ii)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (i) and (iii)

Q. Two pea plants, one with homozygous round yellow seeds and another with wrinkled green seeds produce

F_{1}

progeny that have round, yellow seeds. When

F_{1}

plants are selfed, the

F_{2}

progeny will have a new combination of characters
(recombinants).
Choose the recombinants from the following.
(i) Round, yellow
(ii) Round, green
(iii) Wrinkled, yellow
(iv) Wrinkled, green

Q. Two pea plants one with yellow round seeds (YYRR) and another with green wrinkled seeds (yyrr) produce

F_{1}

progeny that have yellow round seeds (Yy Rr). The possible new combination in

F_{2}

generation is
A.Yellow Round
B. Yellow wrinkled
C. Green Round
D.Green wrinkled

Question 5
If a round, green-seeded pea plant (RRyy) is crossed with wrinkled, yellow-seeded pea plant (rrYY), the seeds produced in F1 generation are

(a) round and yellow
(b) round and green
(c) wrinkled and green
(d) wrinkled and yellow
( Round-R, Green-y, Wrinkled-r, Yellow-Y)

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?

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