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प्रश्न
The number of chromosomes in the leaf cells of a male plant is 40 and in the stem cells of a female plant is 60. If they are artificially hybridised, what will be the number of chromosomes in the endosperm?
उत्तर
80
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संबंधित प्रश्न
Draw a labelled mature stage of a dicotyledonous embryo.
Endosperm of angiosperm is __________.
(A) haploid
(B) diploid
(C) triploid
(D) tetraploid
Why does endosperm development preceeds that of zygote ?
Why does endosperm development precede embryo development in angiosperm seeds?
______ is the first cell of female gametophytic generation in angiosperms.
In dicots, the pollen grains are usually ______
A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be ______.
If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be ______.
Double fertilization leading to initiation of endosperm in angiosperms require ______.
The diagram given below shows the three types of endosperms in angiosperms.
 |
 |
 |
| Type 1 | Type 2 | Type 3 |
- Identify the three types of endosperms shown above.
- Name the type of endosperm which commonly occurs in polypetalous dicots.
