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प्रश्न
Changing the codon AGC to AGA represents
विकल्प
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
If the number of chromosomes in an endosperm cell is 27, what will be the chromosome number in the definitive nucleus?
- 9
- 18
- 27
- 36
Briefly mention the contribution of T.H. Morgan in genetics.
Who had proposed the chromosomal theory of the inheritance?
Distinguish between X and Y chromosomes.
Define the Homologous chromosomes
An allohexaploidy contains
The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is test crossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?
Genes G S L H are located on the same chromosome. The recombination percentage is between L and G is 15%, S and L is 50%, H and S are 20%. The correct order of genes is
Codon – anticodon interactions occur by
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.
A gene pair hides the effect of another. The phenomenon is ______.
Extra nuclear chromosomes occur in ______.
Chromosome maps/genetic maps were first prepared by ______.
How many types of gametes would be produced if the genotype of a parent is AaBB?
There was a mix-up at the hospital after a fire accident in the nursery division. Which of these children belong to the parents?
What do you mean by locus?
Who postulated the 'Chromosomal theory of inheritance'?
How do genes and chromosomes share similarity from the point of view of genetical studies?
