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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Give scientific reason. Some of the characters of parents are seen in their offspring. - Science and Technology 2

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प्रश्न

Give scientific reason.

Some of the characters of parents are seen in their offspring.

स्पष्ट करा
टीपा लिहा
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उत्तर

  1. In sexually reproducing organisms, fusion of gametes from male and female parents occurs.
  2. Some of the genes of parents are transmitted to the next generation without any changes.
    Therefore, some of the characters of parents are seen in their offspring.
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पाठ 1: Heredity and Evolution - Give scientific reasons

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संबंधित प्रश्‍न

What is 'RNA'?


What is degeneracy of genetic code?


Describe the process of transcription in protein synthesis.


Draw a neat and labelled diagram of transcription and processing of hn-RNA


Which genetic disorders are caused by mutation?


Identify the strand of DNA which acts as a template during transcription.


From the following which one is NOT needed in formation of polypeptide chain?


During transcription in prokaryotes, the enzyme RNA polymerase recognizes the promotor by its ______.


Identify the property of genetic code represented by the following case:

Each codon codes for a particular amino acid.


____________ refers to removal of introns and joining the exons in a defined order in a transcription unit.


During translation, ______ ions play significant role in associating two subunits of ribosomes.


____________ is the initiation codon.


Which of the following is transcribed and then translated to form a protein product?


During protein synthesis, a ribosome moves from 5 to 3 and of mRNA to recognize all codons. This movement of ribosome is called:


Describe the process of transcription.


 

Complete the above-given diagram of a transcription unit.


During taling process number of adenylate residues added at 3' end of hnRNA.


Given below is a stretch of DNA showing the coding strand of a structural gene of a transcription unit?

5’-ATG ACC GTA TTT TCT GTA GTG CCC GTA CTT CAG GCA TAA-3’

  1. Write the corresponding template strand and the mRNA strand that will be transcribed, along with its polarity.
  2. If GUA of the transcribed mRNA is an intron, depict the sequence involved in the formation of mRNA/the mature processed hnRNA strand.
    i. In a bacterium
    ii. In humans
  3. Upon translation, how many amino acids will the resulting polypeptide have? Justify.

Differentiate between m-RNA, t-RNA and r-RNA.


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