9. Direct correlation between recombination frequency and distance between genes can be disturbed by presence of (1) Heterochromatin (2) Exons (3) Introns (4) Euchromatin Introduction: In genetics, recombination frequency is […]
Tag: CSIR NET Life Science Previous Year Questions and Solution Genetics
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CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Number of Haploid Chromosome Sets in an Organism with 12 Linkage Groups
In an organism if number of linkage group is 12, then the number of haploid set of chromosome is (1) 12 (2) […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Number of Linkage Groups in Human Male Explained
7. In number of linkage groups present in human male is: (1) 21 (2) 22 (3) 23 (4) 24 The number of linkage groups present in a human male is […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Understanding Gene Maps
6.The gene map produced on based on recombination frequency data are termed as (1) Deletion map (2) Linkage map (3) Physical map (4) Cytogenetic Introduction: Gene mapping is a crucial […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Maximum Recombination Frequency Between Two Genes During Meiosis Explained
Maximum recombination frequency between two genes during meiosis of diploid organism can be (1) 25% (2) 50 % (3) 75 % (4) 100 % Maximum recombination frequency between two genes […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Understanding Mendel’s Test Cross Ratio in Two-Point Crosses
4. Then typical Mendel test cross ratio in two point cross (1) 9:3:3:1 (2) 1:2:1 (3) 1:1 (4) 1:1:1:1 Introduction: Mendel’s test cross is fundamental in genetic studies to determine […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Understanding Genetic Map Distance
3. In genetic map, distance between two genes is measured in units of (1) cM (2) A0 (3) bp (4) nm Title: Understanding Genetic Map Distance: Units and Their Significance […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Understanding the Genetic Cross of Long and Full Endosperm with Short and Shrunken Endosperm in Maize
2. When a cross is made between dominant long and full endosperm (LLSS) and recessive short and shrunken endosperm (Ilss). The progeny obtained 98.3 % were long and full endosperm […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Frequency of Crossing Over is Directly Proportional to Distance Between Genes
1. Frequency of crossing over is directly proportional to- (1) Length of chromosomes (2) Number of genes (3) Distance between genes (4) Number of chromosomes Frequency of crossing over is […]
CSIR NET Life Science Previous Year Questions and Solution on EXTENSION OF MENDELIAN PRINCIPLES
Understanding Polydactyly Penetrance
62. Human polydactyly traits having extra fingers or toes are caused by a dominant allele. In a screening it was found that out of 42 individuals having an allele for […]
