Question

2+1
1
bu bout the changes in boys during adolescence.
10. () When a cross was made between a tall pea plant with round seeds and a short pea plant with
wrinkled seeds, the F, progeny plants are all tall with round seeds. This indicates that tallness and
round seeds are the dominant traits.
(ii) When the F, plants are self pollinated the F2 progeny consisted of some tall plants with round
seeds and some short plants with wrinkled seeds which are the parental traits.
(iii) There were also some new combinations like tall plants with wrinkled seed and short plants with
round seeds.
(iv) Thus it may be concluded that tall and short traits and round and wrinkled seed traits have been
inherited independently.
Flowchart:
Tall plants with
Short plants with
1
12
12
round seeds
wrinkled seeds
TTRR
tter
TR
Cross
TR Pollination
tr
tr
1
TtRr
F, generation
Self Pollination
q 우
TR
Tr
tR
tr
TR
Tr
TTRR TTRO TERR
TtRr
Tall Round Tall Round Tall Round Tall Round
TTRr TTrr
TERT
Ttrr
Tall Round Tall wrinkled Tall Round Tall wrinkled
TERR
TtRr
ttRR
ttRr
Tall Round Tall Round Short Round Short Round
TtRr
Ttrr
ttRr
ttre
Tall Round Tall wrinkled Short Round Short wrinkled
tR
tr
3​

Answer 1

Answer:

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Explanation:

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