How does dosage compensation in Drosophila occur? X inactivation in females Hypertranscription of male X chromosome Chimerism Hypotranscription of female X chromosome TRUE ANSWER : ? YOUR ANSWER : ?
How many chromosomes are there in the budding yeast (S. cerevisiae)? 18 20 16 17 TRUE ANSWER : ? YOUR ANSWER : ?
A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as zymogram chromogram karyogram idiogram 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 pericentric inversion paracentric inversion none of these double inversion TRUE ANSWER : ? YOUR ANSWER : ?
Incase of inversion when the inverted segment of chromosome includes centromere, it is known as paracentric inversion double inversion inverted inversion pericentric inversion TRUE ANSWER : ? YOUR ANSWER : ?
The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as expressivity inheritance percent penetrance environmental influence TRUE ANSWER : ? YOUR ANSWER : ?
If two genes show 50% recombination both (a) and (b) they are on same chromosome but far apart they are on different chromosomes they are closely located on the same chromosome TRUE ANSWER : ? YOUR ANSWER : ?
Bar eye character of Drosophila is due to duplication in region of 16A of X chromosome due to a point mutation in eye-locus due to presence of additional X-chromosome deletion in region of 16A of X chromosome TRUE ANSWER : ? YOUR ANSWER : ?
In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of 3:1:1:3 1:2:2:1 9:3:3:1 1:1:1:1 TRUE ANSWER : ? YOUR ANSWER : ?
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of deficiency translocation heterozygote haploid organism duplication TRUE ANSWER : ? YOUR ANSWER : ?