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प्रश्न
If a round, green seeded pea plant (RR yy) is crossed with wrinkled, yellow seeded pea plant, (rr YY) the seeds produced in F1 generation are
विकल्प
round and yellow
round and green
wrinkled and green
wrinkled and yellow
उत्तर
round and yellow
Explanation -
From the cross between a round, green seeded pea plant (RR yy) and wrinkled, yellow seeded pea plant, (rr YY),
| Parents |
RRyy Round and Green |
x |
rr YY Wrinkled and yellow |
| Gametes | Ry | rY | |
| F1 generation |
RrYy Round and yellow seed |
F1 generation plants will produce round and yellow seeds.
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संबंधित प्रश्न
How do Mendel’s experiments show that the traits may be dominant or recessive?
Fill in the following blank with suitable word .
In pea plants, the gene for dwarfness is ..............whereas that for tallness is ............ .
Gregor Mendel's first law of genetics states "Of a pair of contrasted characters, only one can be represented in a gamete by its internal 'factor' State where these factors are found in gametes.
The term 'father of genetics' is used for the scientist :
(a) Morgan
(b) Mendel
(c) Darwin
(d) Marie Curie
List two differences in tabular form between dominant trait and recessive traits. What percentage/proportion of the plants in the F2 generation/progeny were round, in Mendel's cross between round and wrinkled pea plants?
"It is possible that a trait is inherited but may not be expressed." Give a suitable example to justify this statement.
Mendel, in one of his experiments with pea plants, crossed a variety of pea plant having round seeds with one having wrinkled seeds. State Mendel’s observations giving reasons of F1 and F2 progeny of this cross. Also, list any two contrasting characters, other than round seeds of pea plants that Mendel used in his experiments.
A cross between a tall plant (TT) and short pea plant (tt) resulted in progeny that were all tall plants because
In the following figure showing a germinating gram seed, name the parts labelled as A, B and C:
Why is Part 'B' considered to be important during germination?
Mendel crossed pea plants with two pairs of contrasting characters.
| RRYY | × |
rryy |
| Round, Yellow | Wrinkled, Green |
He observed 4 types of combinations in F2 generation. Which of the combinations were new? Write the conclusion drawn by this experiment.
