In DNA when AGCT occurs, their association is as per which of the following pair?
AC-GT
AG-CT
AT-GC
All of these
The position of a gene or DNA sequence on a chromosome is called:
Gene
Allele
Locus
Chromosome
Hybridization between Tt x tt gives rise to the progeny of ratio
1 : 1
1 : 2 : 1
1 : 2
4 : 1
Maximum number of bases in plasmids discovered so far is:
50 kilo base
1500 kilo base
5000 kilo base
5 kilo base
In humans, there are two type of sex chromosome, called X and Y chromosomes. A person with two X chromosomes is called:
Female
Male
Autosomes
Sex is determined by a pair of sex chromosomes called:
Chromosomes
Sex-linked genes
Genes that are involved in turning on or off the transcription of a set of structural genes are called
polymorphic genes
operator genes
reductant genes
regulatory genes
Identify the type which has no genotype characters.
BBYY
BBYy
BbYY
bbyy
The tendency of organisms to resemble their parents in all fundamental features is called:
Heredity
Genotype
Phenotype
Inheritance
The hybrid test cross ratio will be:
9:3:3:1
1:1
1:1:1:1
2:1:1