A cross involving contrasting expression of one trait is transferred to as monohybrid cross. For example, in order to learn inheritance of plant height, a tall pea plant was crossed with a dwarf one; all other traits were ignored.
Subsided is defined as calmed down or sunk to a lower level. When the noise of a crowd dies down, this is an example of when the noisesubsided. Verb. simple past tense and past participle of subside.
1 v. i Assuage To abate or subside.  2 The waters assuaged 3  .. The plague being come to a crisis, its fury began to assuage 4  .. v. t Assuage To soften, in a figurative sense; to allay, mitigate, ease, or lessen, as heat, pain, or grief; to appease or pacify, as passion or tumult; to satisfy, as appetite or desire.