CLASS-12 BIOLOGY QUESTION-4

CHAPTER-5 MOLECULAR BASIS OF INHERITANCE Q. 4 If the sequence of the coding strand in a transcription unit is writtenas follows: 5′-ATGCATGCATGCATGCATGCATGCATGC-3′ Writedown the sequence of mRNA. Answer: The sequence of mRNA will be 5′-AUGCAUGCAUGCAUGCAUGCAUGCAUGC-3′.Explanation: In a RNA strand thymine is replaced with uracil.The coding strand of mRNA is the […]

CLASS-12 BIOLOGY QUESTION-3

CHAPTER-4 PRINCIPLES OF INHERITANCE AND VARIATION Q. 3 A diploid organism is heterozygous for 4 loci; how many types ofgametes can be produced? Answer: If a diploid organism is heterozygous for 4 loci the different types ofgametes that can be produced can be calculated by the formula 2n,where ā€œnā€ is […]