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प्रश्न
Down’s syndrome is a genetic condition with 45 chromosomes.
पर्याय
True
False
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उत्तर
False
Correct statement: Down’s syndrome is a genetic condition with 21 chromosomes.
APPEARS IN
संबंधित प्रश्न
Correct the following statement if there is any mistake.
The four nitrogenous bases in the DNA are Guanine, Thiamine, Adrenaline and Cytosine.
Answer the following question in your own words.
Describe the structure of the DNA molecule.
Multiple Choice Question:
The molecular knives of DNA are _______.
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 enzyme catalyse the removal of nucleotides from ends of DNA?
Which of the following basic proteins DNA is associated?
Decarboxylation is not involved in:
A nucleotide consists of three distinct components. Which of the following correctly identifies all three?
Bacteriophage φX174 is notable for having one of the smallest known viral genomes. Approximately how many nucleotides does it contain?
