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प्रश्न
Changing the codon AGC to AGA represents
पर्याय
missense mutation
nonsense mutation
frameshift mutation
deletion mutation
उत्तर
missense mutation
संबंधित प्रश्न
If centromere is situated in the middle of the chromosome, it is called ________.
(a) Metacentric
(b) Acrocentric
(c) Submetacentric
(d) Telocentric
Define the term ‘genome’.
How many chromosomes do drones of honey bees possess?
Explain the types of chromosomes on the basis of position of centromere.
Distinguish between X and Y chromosomes.
Choose the correct options of the following question:
Study the given monohybrid cross:
A test cross for this Fj will be:
Give an account of artificial chromosomes in the transfer of genetic material.
Explain codominance in colour coat in cattle with checker board method.
Codon – anticodon interactions occur by
Identify the scientists who proposed chromosomal theory of inheritance.
Telocentric chromosome differs from acrocentric chromosome in that ____________.
Read the following statements regarding 'X and Y' chromosomes and select the correct option.
P - Due to presence of large amount of euchrornatin X chromosome is genetically more active.
Q - Due to presence of small amount of heterochromatin Y chromosome is genetically more active.
From the following identify the INCORRECT statement/s with respect to the chromosomes.
i. Chromosomes are capable of self replication and play vital role in heredity, mutation, variation, and evolutionary development of eukaryotic species.
ii. Chromosomes are visible during cell division.
iii. Chemically eukaryotic chromosomes are made of mRNA, histone and non-histone proteins.
iv. The number of chromosomes varies within the population of a particular species.
From the following identify the statements that are CORRECT with respect to homologous and non-homologous region of X and Y chromosomes.
i. Non-homologous region of X chromosome is longer and contains more genes than that of non-homologous region of Y chromosome.
ii. X-linked genes are present on nonhomologous region of X-chromosome.
iii. Y-linked genes are present on homologous region of Y-chromosome.
iv. Crossing over occurs only between homologous regions of X and Y chromosomes.
Extra nuclear chromosomes occur in ______.
Which of the following statements indicates parallelism in genes and chromosomes?
- They occur in pairs.
- They segregate during gamete formation.
- They show linkage.
- Independent pairs segregate independently.
What do you mean by locus?
Experimental verification of the chromosomal theory of inheritance was done by ______.
A haemophilic man marries a carrier woman and they have a daughter. What is the probability of their daughter being haemophilic?
