Exchange of segments between non homologous chromosomes is best known as translocation recombination translation crossing over TRUE ANSWER : ? YOUR ANSWER : ?
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of translocation heterozygote duplication deficiency haploid organism TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is correct when a character shows continuous variation assuming a normal distribution? Many of the variation is due to fluctuation of climate None of these It is governed by many genes with small cumulative effect It is not controlled genetically TRUE ANSWER : ? YOUR ANSWER : ?
In an organism, the chromosome number is maintained constant because of synapsis DNA duplication independent assortment crossing over TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following denotes a pair of contrasting characters? Phenotype Alleles Genotype Homozygous TRUE ANSWER : ? YOUR ANSWER : ?
A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as idiogram zymogram chromogram karyogram TRUE ANSWER : ? YOUR ANSWER : ?
The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as expressivity inheritance strength penetrance environmental influence 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 1:1:1:1 3:1:1:3 TRUE ANSWER : ? YOUR ANSWER : ?
Bar eye character of Drosophila is due to due to presence of additional X-chromosome due to a point mutation in eye-locus duplication in region of 16A of X chromosome deletion in region of 16A of X chromosome TRUE ANSWER : ? YOUR ANSWER : ?
Raphanobrassica is a classical example of aneuploidy allopolyploidy nullisomy None of these TRUE ANSWER : ? YOUR ANSWER : ?