65. The figure below represents a profile of DNA markers in two parents (Pl and P 2), progeny (F1) from a cross between P1 and P2 and that of gametes […]
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CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
RFLP analysis of wrinkled vs round pea seeds
63. In 1990, Bhattacharya et al identified that the wrinkled seed character of pea as described by Mendel is caused by a transposon — like insertion in a gene encoding […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Coupling vs Repulsion: Inferring Linkage Phase from Gel-Band Progeny Counts
62. Alleles A, a, B and b can be distinguished on the basis of their mobility on an agarose gel. These genes are present on the same chromosome. In the […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
RFLP Testcross Mapping
61. The RFLP pattern observed for two pure parental lines (P1 and P2) and their F1 progeny is represented below. Further, the P1 plant had red flowers while the P2 […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Seed Size Gene and 5 kb DNA Marker
A pair of alleles govern seed size in a crop plant. ‘B’ allele responsible for bold seed is dominant over ‘b’ allele controlling small seed. An experiment was carried out […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Early vs Late Ripening in Plants
59. A new mutant called early ripening (EL) is identified in a plant. The wild type phenotype is late ripening (LR). Further DNA marker(s) is/are observed to be polymorphic between […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Test Cross Mapping with Dominant Markers
58. Two homozygous individuals (Pl and P2), were genotyped using dominant DNA markers A and B, as shown below. The F1 progeny obtained was test crossed and frequency of progeny […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Genetic Markers in Introgression Breeding
57. In recent decades.the use of genetic markers has allowed the rapid introgression and selection of desired breeding stocks in advance generations. In this regard, following statements are given: A. […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Molecular Markers in Plant Breeding
56. The following are statements above molecular markers in the context of plant breeding A. Molecular markers can be used for elimination of undesirable traits B. Molecular markers cannot be […]
CSIR NET Life Science Previous Year Questions and Solution on Genetics
Understanding Qualitative and Quantitative Disease Resistance in Plants
A disease-resistant plant was crossed With a susceptible plant and the resultant F1 plants were disease resistant. The F1 plant was seifed and the F2 individuals were analyzed for qualitative […]
