The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as inheritance percent expressivity penetrance environmental influence TRUE ANSWER : ? YOUR ANSWER : ?
Hairy wing character of Drosophila is due to duplication in region of chromosome due to a point mutation due to presence of additional X-chromosome deletion in region of chromosome TRUE ANSWER : ? YOUR ANSWER : ?
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of duplication haploid organism translocation heterozygote deficiency 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 environmental influence penetrance TRUE ANSWER : ? YOUR ANSWER : ?
Exchange of segments between non homologous chromosomes is best known as translocation translation crossing over recombination 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 idiogram chromogram karyogram 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 cloning map a physical map 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 It is governed by many genes with small cumulative effect None of these It is not controlled genetically 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 9:3:3:1 1:2:2:1 1:1:1:1 TRUE ANSWER : ? YOUR ANSWER : ?
How many chromosomes are there in the budding yeast (S. cerevisiae)? 17 20 18 16 TRUE ANSWER : ? YOUR ANSWER : ?