How does dosage compensation in Drosophila occur? Hypertranscription of male X chromosome Hypotranscription of female X chromosome X inactivation in females Chimerism TRUE ANSWER : ? YOUR ANSWER : ?
Exchange of segments between non homologous chromosomes is best known as crossing over translocation recombination translation TRUE ANSWER : ? YOUR ANSWER : ?
Raphanobrassica is a classical example of nullisomy None of these aneuploidy allopolyploidy TRUE ANSWER : ? YOUR ANSWER : ?
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of haploid organism deficiency translocation heterozygote duplication TRUE ANSWER : ? YOUR ANSWER : ?
Transmission of a gene from male parent to female child to male grand child is known as criss-cross inheritance quantitative inheritance holandric inheritance maternal inheritance 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 idiogram karyogram 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 : ?
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as none of these a physical map a genetic map a cloning map TRUE ANSWER : ? YOUR ANSWER : ?
Hairy wing character of Drosophila is due to due to presence of additional X-chromosome duplication in region of chromosome deletion in region of chromosome due to a point mutation TRUE ANSWER : ? YOUR ANSWER : ?
In an organism, the chromosome number is maintained constant because of DNA duplication independent assortment synapsis crossing over TRUE ANSWER : ? YOUR ANSWER : ?