Tag: CSIR NET Life Science Previous Year Questions and Solution Genetics

9. Interacting genes which are involved in producing continuous variation in phenotypes in a population are known as/constitute (1) codominant genes   (2) pseudogenes (3) alleles                    (4) QTLs The correct answer […]

8. In an experiment, clones of a plant is grown in a field. The plants were observed to be of different heights. When a graph was plotted for frequency of […]

7. A new trait was found to be highly variable in a population, It showed a bell-shaped distribution and is shown to be influenced by environmental factors. The trait can […]

6. Which one of the following statements is INCORRECT? (1) Quantitative inheritance results in a range of measurable phenotypes for a polygenic trait. (2) Polygenic traits often demonstrate continuous variation. […]

5. Quantitative inheritance are due to (1) Variation in phenotype (2) Variation in genotype (3) Variation in environment (4) Variation in both genotype and environment Quantitative inheritance is due to […]

4.Polygenic traits in crops can be identified by (1) QTL mapping (2) Cluster analysis (3) Tandem array analysis (4) Gene mapping Polygenic traits in crops are best identified by QTL […]

3. Mendelian inheritance is obeyed by (1) Quantitative traits       (2) Transposons (3) Organelle inheritance  (4) Sex linked trait Mendelian inheritance is obeyed by sex-linked traits (4), but not by quantitative […]

1. The phenomenon that progeny of diverse varieties of a species or crosses between species exhibit greater biomass. speed of development, and fertility than both parents is termed as (1) […]