When both alleles express their effect on being present together, the phenomenon is called
When both alleles express their effect on being present together the phenomenon is called Codominance
Month: October 2021
Blood groups are controlled by genes and are hence hereditary. Which group is most common in India ?
Blood groups are controlled by genes and are hence hereditary. Which group is most common in India B and Rh+
Most extensively studied material in genetics is
Most extensively studied material in genetics is Drosophila
Which of the following characters of pea was not studied by Mendel ?
Which of the following characters of pea was not studied by Mendel
Size of seedÂ
The process of removing stamens from the flower bud during hybridisation is called
The process of removing stamens from the flower bud during hybridisation is called Emasculation
Number of characters studied in garden pea by Mendel were
Number of characters studied in garden pea by Mendel were Seven
A clone is a collection of genetically
A clone is a collection of genetically Identical individual obtained by vegetative reproduction
An offspring of two homozygous parents differing from one another by alleles at only one gene locus is known as
An offspring of two homozygous parents differing from one another by alleles at only one gene locus is known as Monohybrid
Segregation of hereditary factors, occurs in plants during the process of
Segregation of hereditary factors, occurs in plants during the process of gamete formation
If a plant heterozygous for tallness is selfed, the Fy generation has both tall and dwarf plants. It proves the principle of
If a plant heterozygous for tallness is selfed, the Fy generation has both tall and dwarf plants. It proves the principle of Segregation
Geometrical device which helps in visualizing all the possible combinations of male and female gametes is called
Geometrical device which helps in visualizing all the possible combinations of male and female gametes is called Punnett square
Which of the following represents a pair of contrasting characters?
Allele (or allelomorphs) represents a pair of contrasting characters
In biparental reproduction, the offspring
In biparental reproduction, the offspring (d) Shows mixtures of characters from both parents
Who proposed the experimental evidence of polygenic inheritance ?
Nilson-Ehle proposed the experimental evidence of polygenic inheritance
The phenotypic ratio in the F2 generation of a case of polygeny dealing with two pairs of polygenes is
The phenotypic ratio in the F2 generation of a case of polygeny dealing with two pairs of polygenes is 1:4:6:4:1
The number of types of phenotypes formed in case of polygeny dealing with human skin colour is
The number of types of phenotypes formed in case of polygeny dealing with human skin colour is 7
The number of genotypic recombinations possible due to the 3 alleles in case of human blood group system are
The number of genotypic recombinations possible due to the 3 alleles in case of human blood group system are 6