Home
Class 12
BIOLOGY
The zygote passes through several develo...

The zygote passes through several developmental stages till implantation. Describe each briefly with suitable diagrams.

Text Solution

AI Generated Solution

### Step-by-Step Solution: 1. **Fertilization**: - The process begins with the fusion of the male and female gametes (sperm and ovum), resulting in the formation of a zygote. The zygote is a diploid cell, containing genetic material from both parents. - **Diagram**: Illustrate the sperm and ovum fusing to form a zygote. 2. **Cleavage**: - After fertilization, the zygote undergoes a series of mitotic divisions known as cleavage. This process increases the number of cells without increasing the overall size of the embryo. ...
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    NCERT EXEMPLAR ENGLISH|Exercise SHORT ANSWER TYPE QUESTIONS|10 Videos
  • HUMAN HEALTH AND DISEASES

    NCERT EXEMPLAR ENGLISH|Exercise All Questions|69 Videos
  • MICROBES IN HUMAN WELFARE

    NCERT EXEMPLAR ENGLISH|Exercise Long Answer Type Questions|6 Videos

Similar Questions

Explore conceptually related problems

Describe the life cycle of moss and fern with suitable diagrams.

Describe the gross anatomical features of human kidney with suitable diagram.

Find the correct statements about somatic embyros (I) They pas through the developmental stages similar to the sexula embryos (II) They are also knows as embryoids (III) They are used for the synthesis of synthetic seeds

Describe the process of asexual reproduction in yeast with suitable diagram.

What are the different scales for measuring temperature? Briefly describe each one of them.

What is a biogeochemical cycle? Enumerate and describe any one of them with the help of a suitable diagram.

Who observed that embroys never pass through adult stages of their ancestors

Show diagrammatically the stages of embryonic development from zygote upto implantation in humans .

(a) What is fragmentation in organisms? Name a multicellular organism which reproduces by this method. (b) What is regeneration in organisms? Describe regeneration in Planaria with the help of a suitable diagram.

a) Why does endosperm development precede development in angiosperm seeds? State the role of endosperm in mature albuminous seeds. b) Describe with the help of three labelled diagrams the different embryonic stages that include mature embryo of dicot plants.