‹ Class 8 · Ch 13
Our Home: Earth, a Unique Life Sustaining Planet · Principle 16 of 27

One parent

Exact copies.

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NCERT: 13.5 What Keeps Life from Disappearing?

Think

Copies

Some organisms reproduce with only one parent.

How will the young compare with the parent?

What this lesson covers

The idea

In asexual reproduction a single parent produces new individuals that are exact copies of itself in terms of the instructions inside the cell.

Copies

Some organisms reproduce with only one parent.

How will the young compare with the parent?

  • Exact copies of the parent
  • Totally different
  • Half like the parent

One parent, many copies

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Asexual reproduction

In asexual reproduction a single parent produces new individuals that are exact copies of itself, exact in terms of the instructions inside the cell.

Asexual reproduction: a single parent produces new individuals that are exact copies of itself (in the instructions inside the cell).

Notes

Asexual: one parent, exact copies.

Check yourself

In asexual reproduction, how many parents are involved?

In asexual reproduction, the new individuals are …

'Exact' here means exact in terms of …

Which type of reproduction gives the most similar offspring?

  • Two. Two parents are involved in sexual reproduction.
  • One — correct. Yes!
  • Three. One parent is enough.
  • different from the parent. That is sexual reproduction, where there is variation.
  • half copies. They are exact copies.
  • exact copies of the parent — correct. Yes!
  • the instructions inside the cell — correct. Yes!
  • height. Exact in the instructions inside the cell.
  • colour of the habitat. Exact in the instructions inside the cell.
  • Sexual reproduction. In sexual reproduction offspring are not exactly like either parent.
  • Asexual reproduction — correct. Yes!
  • None of them. Asexual reproduction gives exact copies.
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