Both extra-nuclear as well as nuclear materials are involved in transmission of hereditary information as

Mitochondria and plastids are having DNA

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Both cytoplasm and nuclear material are equally involved in heredity

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Each type of organisms have particular mitochondria or plastids

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Some cells are prokaryotic

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Solution

The correct option is C Mitochondria and plastids are having DNA
Cytoplasmic inheritance is the transmission of genes that occur outside the nucleus. It is found in most eukaryotes and is commonly known to occur in cytoplasmic organelles such as mitochondria and chloroplasts. Mitochondria with their mitochondrial DNA from the mother's egg cell are incorporated into the zygote and passed to daughter cells, whereas those from the sperm are not.

So, the correct answer is 'Mitochondria and plastids are having DNA'.

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Similar questions

X and Y are the two types of cells. The cells X have a well-organised nucleus which is separated from the cytoplasm by the nuclear membrane. On the other hand, cells Y do not have a real nucleus, their nuclear material is in direct contact with the cytoplasm.

(a) What type of cells are (i) X and (ii) Y
(b) Give one example each of cells like (i) X and (ii) Y?

Question 26

Mitochondria and plastids have their own DNA (genetic material). What is known about their fate during nuclear division like mitosis?

Q. Consider the following nuclear reactions involving

X

and

Y

X \to Y +_{2}^{4} H e

Y \to_{8}^{18} O +_{1}^{1} H

If both neutrons as well as protons in both the sides are conserved in nuclear reaction then moles of neutrons in 4.6 gm of

X

is:

Q. Small nuclear RNAs are involved in

Q. Which of the following are true for eukaryotic cells?
(i) They do not have a nuclear menbrane.
(ii) They have a well organized nucleus.
(iii) They have a nuclear membrane.
(iv) Blue green algae are eukaryotic cells.

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