The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as environmental influence inheritance percent penetrance expressivity TRUE ANSWER : ? YOUR ANSWER : ?
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of haploid organism translocation heterozygote duplication deficiency TRUE ANSWER : ? YOUR ANSWER : ?
Diethyl stilbestrol (DES), a synthetic estrogen causes chromosome lagging centriole elongation disruption of mitotic spindle All of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following denotes a pair of contrasting characters? Genotype Phenotype Homozygous Alleles 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 zymogram idiogram chromogram TRUE ANSWER : ? YOUR ANSWER : ?
Raphanobrassica is a classical example of None of these aneuploidy nullisomy allopolyploidy TRUE ANSWER : ? YOUR ANSWER : ?
Hairy wing character of Drosophila is due to duplication in region of chromosome due to presence of additional X-chromosome due to a point mutation deletion in region of 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 9:3:3:1 1:1:1:1 1:2:2:1 3:1:1:3 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 pericentric inversion paracentric inversion 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 none of these a cloning map a genetic map a physical map TRUE ANSWER : ? YOUR ANSWER : ?