Tips and Tricks on Heredity and Evolution



Micro evolution: Evolution of subspecies
Macro evolution: Evolution of new species, genera and families
Mega evolution: Evolution of organisms from a single common ancestor eg. All vertebrates from a common ancestor.

Term: Allele
Meaning: Genes which code for a pair of contrasting traits are known as alleles. It represents atleast two alternatives forms of a gene or unit factor.
Eg: RR, Rr, rr

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