A gene is a short section of a chromosome that codes for a characteristics, Extinction is when all members of a species have died , an allele is one of two or more versions of a genetic sequence at a particular region on a chromosome,

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?