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प्रश्न
Down’s syndrome is a genetic condition with 45 chromosomes.
विकल्प
True
False
उत्तर
False
Correct statement: Down’s syndrome is a genetic condition with 21 chromosomes.
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संबंधित प्रश्न
Answer the following question in your own words.
Express your opinion about the use of DNA fingerprinting.
Fill in the blank:
DNA stands are made up of, pentose sugar and four types of ______ bases.
State whether the following sentence is true or false:
The two DNA chains are parallel to each other.
Choose the correct answer:
Sex chromosomes in man are _____________
Multiple Choice Question
DNA structure was discovered by:
Multiple Choice Question:
Place the following event of translation in the correct sequence
i. Binding of met-tRNA to the start codon.
ii. Covalent bonding between two amino acids.
iii. Binding of second tRNA.
iv. Joining of small and large ribosome subunits.
DNA consists of two ______ chains.
____________ were used by Friedrich Miescher for his experiments.
Match the Column I with Column II and select the correct option.
| List-I | List-II | ||
| i. | Ribozyme | a. | Lac operon |
| ii. | Friedrich Miescher | b. | DNS as genetic material |
| iii. | Alfred Hershey and Martha Chase | c. | Catalytic RNA molecule |
| iv. | Francois-Jacob | d. | DNA is acidic substance |
Which of the following basic proteins DNA is associated?
