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Question
In the following crosses write the characteristics of the progeny
Cross | Progeny |
(a) RR YY × RR YY | __________________ |
Round, yellow Round, yellow | __________________ |
(b) Rr Yy × Rr Yy | __________________ |
Round, yellow Round, yellow | __________________ |
(c) rr yy × rr yy | __________________ |
wrinkled, green wrinkled, green | __________________ |
(d) RR YY × rr yy | __________________ |
Round, yellow wrinkled green | __________________ |
Solution
(a) Parents - | RRYY | × | RRYY |
Round, yellow | Round, yellow | ||
Gametes - | RY | RY | |
Progeny - | RRYY | ||
Round, Yellow | |||
(b) Parents - | RrYy | × | RrYy |
Round, yellow | Round, yellow | ||
Gametes - | RY, rY, Ry, ry | RY, rY, Ry, ry |
RY | rY | Ry | ry | |
RY | RRYY Round, yellow |
RrYY Round, yellow |
RRYy Round, yellow |
RrYy Round, yellow |
rY | RrYY Round yellow |
rrYY Wrinkled, yellow |
RrYy Round, yellow |
rrYy Wrinkled, yellow |
Ry | RRYy Round, yellow |
RrYy Round, yellow |
RRyy Round, green |
Rryy Round, green |
ry | RrYy Round, yellow |
rrYy Wrinkled, yellow |
Rryy Round, green |
rryy
Wrinkled, greem |
(c) Parents - | rryy | × | rryy |
Wrinkled, green | Wrinkled, green | ||
Gametes - | ry | ry | |
Progeny - | rryy | ||
Wrinkled, green | |||
(d) Parents - | RRYY | × | rryy |
Round, yellow | Wrinkled, green | ||
Gametes - | RY | ry | |
Progeny - | RrYy | ||
Round, yellow |
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