In an organism, the chromosome number is maintained constant because of crossing over independent assortment DNA duplication synapsis TRUE ANSWER : ? YOUR ANSWER : ?
Exchange of segments between non homologous chromosomes is best known as translation translocation crossing over recombination TRUE ANSWER : ? YOUR ANSWER : ?
How many chromosomes are there in the budding yeast (S. cerevisiae)? 16 20 17 18 TRUE ANSWER : ? YOUR ANSWER : ?
The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as environmental influence expressivity inheritance strength penetrance TRUE ANSWER : ? YOUR ANSWER : ?
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as a physical map a cloning map a genetic map none of these TRUE ANSWER : ? YOUR ANSWER : ?
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 double inversion paracentric inversion none of these pericentric inversion TRUE ANSWER : ? YOUR ANSWER : ?
In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of 1:2:2:1 9:3:3:1 3:1:1:3 1:1:1:1 TRUE ANSWER : ? YOUR ANSWER : ?
A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as karyogram chromogram idiogram zymogram TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is correct when a character shows continuous variation assuming a normal distribution? None of these Many of the variation is due to fluctuation of climate It is not controlled genetically It is governed by many genes with small cumulative effect TRUE ANSWER : ? YOUR ANSWER : ?