Advertisements
Advertisements
प्रश्न
In haploid organisms that undergo sexual reproduction, name the stage in the life cycle when meiosis occurs. Give reasons for your answer.
उत्तर
Meiosis takes place duxing is post-zygotic stage. Since the organism is hapoid, meiosis cannot occur during gametogenesis.
APPEARS IN
संबंधित प्रश्न
Explain the significance of meiocytes in a diploid organism.
Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?
External fertilisation occurs in majority of ______.
Choose the correct statements.
Given below are a few statements related to external fertilization.
- The male and female gametes are formed and released simultaneously
- Only a few gametes are released into the medium
- Water is the medium in a majority of organisms exhibiting external fertilization
- Offspring formed as a result of external fertilization have better chance of survival than those formed inside an organism
In flowering plants both male and female gametes are non-motile. The method to bring them together for fertilization is ______.
Meiosis is best observed in dividing ______.
Which of the following process is associated with a change in the cellular DNA amount?
What is true about the change in fertilized eggs of humans?
Rearrange the following events of sexual reproduction in the sequence they occur in a flowering plant:
Embryogenesis, Fertilisation, Gametogenesis, Pollination.
Give reasons as to why cell division cannot be a type of reproduction in multicellular organisms.