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Consider the following statements related to Genetics. 1. Genetics is the study of heredity. 2. The genetic information lies within the cell nucleus of each living cell in the body.  3. Proteins are made up of one or more polypeptide chains, each of which is composed of a sequence of amino acids, and the DNA sequence of a gene (through an RNA intermediate) is used to produce a specific amino acid sequence. Which of the above statements is/are correct?

Consider the following statements related to Genetics. 1. Genetics is the study of heredity. 2. The genetic information lies within the cell nucleus of each living cell in the body.  3. Proteins are made up of one or more polypeptide chains, each of which is composed of a sequence of amino acids, and the DNA sequence of a gene (through an RNA intermediate) is used to produce a specific amino acid sequence. Which of the above statements is/are correct? Correct Answer 1, 2, and 3

The correct answer is 1, 2, and 3.

Key Points

  • Genetics:
    • Genetics is the study of heredity. Hence, Statement 1 is correct.
    • Heredity is a biological process where a parent passes certain genes onto their children or offspring.
    • Every child inherits genes from both of their biological parents and these genes, in turn, express specific traits.
    • Some of these traits may be physical for example hair and eye colour and skin colour etc.
    • On the other hand, some genes may also carry the risk of certain diseases and disorders that may pass on from parents to their offspring.
    • The genetic information lies within the cell nucleus of each living cell in the body. Hence, Statement 2 is correct.
    • The information can be considered to be retained in a book for example.
    • Part of this book with the genetic information comes from the father while the other part comes from the mother.
    • Genes generally express their functional effect through the production of proteins, which are complex molecules responsible for most functions in the cell. 
    • Proteins are made up of one or more polypeptide chains, each of which is composed of a sequence of amino acids, and the DNA sequence of a gene (through an RNA intermediate) is used to produce a specific amino acid sequence. Hence, Statement 3 is correct.
    • This process begins with the production of an RNA molecule with a sequence matching the gene's DNA sequence, a process called transcription.

Related Questions

Consider the following statements regarding genetic code and choose the correct answer:
1. The genetic code is degenerate
2. In all amino acids the first two bases are the same in all the codons that represent a particular amino acid
3. The number of codons an amino acid can claim is proportional to the frequency of the amino acid in proteins
4. Amino acids with codons ending in U or A also have codons ending in C or G respectively
Consider the following statements about the genetic materials DNA and RNA: DNA chemically is less reactive and structurally more stable as compared to RNA. DNA is better for the transmission of genetic information as compared to RNA. Both DNA and RNA can mutate. Which of the statements given above are correct?
Which of the following statements are correct? 1. The DNA Technology (Use and Application) Regulation Bill, 2019 provides for the regulation of use of DNA technology for establishing the identity of certain persons. 2. DNA is made up of 26 pairs of chromosomes and provides instructions for building an entire organism and proteins. 3. DNA is composed of two chains, which coil around each other to form a double helix carrying the genetic instructions used in the growth. 4. Under the Bill, DNA profiling is allowed only in respect of criminal matters. Select the correct answer using the code given below:
Consider two shafts connected with two gears as per the following options: 1. One on each shaft 2. Through an intermediate gear mounted on an intermediate shaft, and every shaft having one gear only 3. Through an intermediate gear mounted on an intermediate shaft, with the intermediate shaft having two gears, whereas the other shafts have one gear each Which of the above represent(s) a simple gear train?
Consider the following statements : 1. Prokaryotes store their DNA only in the cytoplasm. 2. Cellular organisms use messenger RNA (mRNA) to convey genetic information that directs the synthesis of specific proteins. 3. A DNA molecule is capable of self-duplication during cell division and identical DNA strands are transferred to daughter cells. Which of the above statements is/are correct?
Consider the following statements.
1. The smallest RNA is t RNA.
2. The most abundant RNA of cell is r RNA.
3. DNA can be formed over RNA through reverse transcriptase.
Which of the statements given above are false?
Choose the correct option for feature of DNA a) Each cell in our body contains an acid, the deoxyribonucleic acid or DNA b) It controls every feature of the body such as our looks, colour of our eyes, our height etc. c) Proteins that build part of our cells are also made of amino acids
Steps of Recombinant DNA technology are given below.
1. Identification and isolation of the genetic material.
2. Fragmentation of DNA.
3. Obtaining the foreign gene product.
4. Downstream processing.
5. Ligation of DNA fragmentation into the vector.
6. Isolation of desired DNA fragments.
7. Amplification of gene of interest.
8. Transfer of Recombinant DNA into the host cell/organism.
The correct sequence of steps is
Which of the following statements about DNA is/are correct?
1. DNA is the hereditary material of all living organisms.
2. All segments of DNA code for synthesis of proteins.
3. Nuclear DNA is double helical with two nucleotide chains which run anti-parallel.
4. DNA is also found in mitochondria.
Select the correct answer:
Which of the following statements about DNA is/are correct? 1) DNA is the hereditary material of all living organisms. 2) All segments of DNA code for the synthesis of proteins. 3) Nuclear DNA is double helical with two nucleotide chains that run anti-parallel. 4) DNA is also found in mitochondria. Select the correct answer using the code given below: