The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:
Given below are two statements:
Statement I : Mendel studied seven pairs of contrasting traits in pea plants and proposed the Laws of Inheritance.
Statement II : Seven characters examined by Mendel in his experiment on pea plants were seed shape and colour, flower colour, pod shape and colour, flower position and stem height.
In the light of the above statements, choose the correct answer from the options given below :
Transposons can be used during which one of the following?
While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, ($$-$$) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assigned (+) for one specifies and ($$-$$) for another specifies involved in the interaction?