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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Which of the following statements is the most appropriate for sickle cell anaemia? - Biology

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प्रश्न

Which of the following statements is the most appropriate for sickle cell anaemia?

विकल्प

  • It cannot be treated with iron supplements

  • It is a molecular disease

  • It confers resistance to acquiring malaria

  • All of the above

MCQ
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उत्तर

All of the above

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अध्याय 6: Molecular Basis of Inheritance - MULTIPLE CHOICE QUESTIONS [पृष्ठ ३७]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
अध्याय 6 Molecular Basis of Inheritance
MULTIPLE CHOICE QUESTIONS | Q 7. | पृष्ठ ३७

संबंधित प्रश्न

Give an example of a codon having a dual function.


Write the contributions of the following scientists in deciphering the genetic code.
George Gamow; Hargobind Khorana; Marshall Nirenberg; Severo Ochoa


Differentiate between the genetic codes given below:
Unambiguous and Universal


The first codon to be deciphered was ______ which codes for ______.


Name the anticodon required to recognize the following codon: AAU.


Name the anticodon required to recognize the following codon: UAU


The number of base substitution possible in amino acid codons is ______.


The change of the light coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonarid) is due to ______.


H. J. Muller was awarded Nobel Prize for his ______.


Amino acids which are specified by single codons are ______.


Sickle cell anemia results from a single base substitution in a gene, thus it is an example of ______.


If the sequence of bases in coding strand of DNA is ATTCGATG, then the sequence of bases in mRNA will be ______.


George Gamow suggested that each codon coding for an amino acid consists of ______


Which amino acid is determined by four genetic codes?


How many codons code for amino acid?


Statement I: The codon ‘AUG’ codes for methionine and phenylalanine.

Statement II: ‘AAA’ and ‘AAG’ both codons code for the amino acid lysine.

In the light of the above statements, choose the correct answer from the options given below.


Based on your understanding of genetic code, explain the formation of any abnormal hemoglobin molecule. What are the known consequences of such a change?


A single base mutation in a gene may not ‘always’ result in loss or gain of function. Do you think the statement is correct? Defend your answer.


Given below is a sequence of bases in mRNA of a bacterial cell. Identify the amino acid that would be incorporated at codon position 3 and codon position 5 during the process of its translation.
3' AUCAGGUUUGUGAUGGUACGA 5'


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