An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of paracentric inversion double inversion pericentric inversion none of these TRUE ANSWER : ? YOUR ANSWER : ?
Bar eye character of Drosophila is due to deletion in region of 16A of X chromosome due to presence of additional X-chromosome due to a point mutation in eye-locus duplication in region of 16A of X chromosome TRUE ANSWER : ? YOUR ANSWER : ?
Exchange of segments between non homologous chromosomes is best known as crossing over translation translocation recombination TRUE ANSWER : ? YOUR ANSWER : ?
The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as penetrance inheritance strength environmental influence expressivity TRUE ANSWER : ? YOUR ANSWER : ?
In an organism, the chromosome number is maintained constant because of DNA duplication synapsis crossing over independent assortment TRUE ANSWER : ? YOUR ANSWER : ?
Diethyl stilbestrol (DES), a synthetic estrogen causes All of these chromosome lagging disruption of mitotic spindle centriole elongation TRUE ANSWER : ? YOUR ANSWER : ?
How does dosage compensation in Drosophila occur? Chimerism Hypotranscription of female X chromosome X inactivation in females Hypertranscription of male X chromosome TRUE ANSWER : ? YOUR ANSWER : ?
Raphanobrassica is a classical example of nullisomy allopolyploidy aneuploidy None of these TRUE ANSWER : ? YOUR ANSWER : ?
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as a genetic map none of these a physical map a cloning map TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is correct when a character shows continuous variation assuming a normal distribution? It is not controlled genetically Many of the variation is due to fluctuation of climate None of these It is governed by many genes with small cumulative effect TRUE ANSWER : ? YOUR ANSWER : ?