TEST CROSS
rubab The cross between dominant phenotype with the recessive of that individual for determination the genotype of that individual is called test cross. Mendel used test cross to test the genotype…
July 2014
BACK CROSS
The cross (a hybrid) with one of its parents or with an individual genetically identical to one of its parents is called back cross. This cross is used to obtained…
SUBJECTIVE QUESTION OF Plant Systematics
sidra What is plant taxonomy? On which factors dolt based? Give aims and objectives of plant taxonomy. Give importance of Plant systematic.
OSMOSIS
sana The movement of solvent molecules from the region of higher concentration to the region of lower concentration through semi permeable membrane is called osmosis. Demonstration A thistle funnel is filled…
DEFINITIONS AND KEY POINTS
abida Write note on genetic unity. Discuss cell as a unit of life. Discuss evolutionary oneness and diversity of life. Write note on different energy sources. Discuss chlids as an example…
DEFINITIONS AND KEY POINTS FOR PLANT SYSTEMATICS
Systematic: The study of kinds and diversity of organisms and the evolutionary relationship among them is called systematic or taxonomy. Affinities : The degree of relationship is called affinities.
Law of Independent Assortment
It states that, when two contrasting pairs of trait are followed in the same cross, their alleles assort independently into the two gametes and the distribution of alleles of one…
IMBIBITION
The special type of diffusion in which an imbibant absorbs water on its surface without dissolving in it is called imbibition. lmbibant is a hydrophilic surfaces like protein. starch or…
Importance of Plant Systematics
Plant systematic has great importance for the study of botany: It is used to describe different species. The description of each new species is preserved. It is used for comparison.…
Diffusion
The movement of molecules from higher concentration to lower concentration is called diffusion. Diffusion occurs down the concentration gradient. It is a spontaneous process. Diffusion continues till dynamic equilibrium is…