Somatic Nuclear Transfer

Q.

Answer the following questions

1. How do a stain colour's a cell ?

2. If an egg is a single complete cell, why can't we see cell organelles in it ?

3. Can cells be made in a laboratory?

4. What are cells made of?

5. A blood cell doesn't has a nucleus. Then how is it able to perform the functions necessary for life?

Q.

Name the term used for a group of genetically identical individuals formed asexually from a single individual.

Q.

Which of the following statement is not true for a clone?

1. Clones are descended from a single parent

2. Identical twins are not clones

3. Both (A) and (C)

4. Clone is a result of sexual reproduction

Q. What kind of eggs are found in placental mammals?

Q.

wat do u mean by progeny??

Q. If your brother, who lives in China owns a bull and you want to breed your cow in India with his bull. Which of the following methods would you use?

1. Natural breeding
2. Cloning
3. Artificial insemination
4. Multiple ovulation embryo transfer

Q. Clones are organisms that are exact genetic copies of each other.

1. True
2. False

Q.

Regarding Assertion and Reason, choose the correct option

Assertion[A]: Dolly is a $100\%$ clone of a Finn dorset ewe.

Reason[R]: Dolly's nuclear DNA is from a Finn dorset ewe and her mitochondrial DNA is from a Scottish Blackface ewe.

1. Both Assertion and Reason are true Reason does not explain Assertion

2. Assertion is False and Reason is True

3. Both Assertion and Reason are false

4. Both Assertion and Reason are True and Reason explains Assertion

Q.

In cloning of cattle, a fertilised egg is taken out of the mother's womb and

1. the egg is divided into four pairs of cells, which are implanted into the womb of other cows

2. in the eight-celled stage, cells are separated and cultured until small embryos are formed, which are implanted into the womb of other cows

3. in the eight-cell stage, the individual cells are separated under electrical field for further obtained in culture media

4. from this up to eight identical twins can be produced

Q. MOET and Artificial insemination are examples of

1. Outbreeding
2. Inbreeding
3. Artificial breeding
4. None of the above

Q. Choose the correct answer from the given alternatives.
Unlike placental mammals, both monotremes and marsupials:

1. Lack nipples
2. Have some embryonic development outside the mother's uterus
3. Lay eggs
4. Are found in Australia and Africa