Gynaecomastia condition can develop due to
Temporary increase in circulating estrogen in neonates
Temporary increase in circulating estrogen at puberty
Decreased testosterone in later life
All of these
In a gene pool, along with beneficial mutations those mutations also exists which are damaging to an individual. It has been found that these mutations are irreversible because
$I.$ they have survival value
$II.$ they are acquired
$III.$ they are recessive and carried by heterozygous individuals only
$IV.$ they show genetic drift
Choose the incorrect option for given statement
Definitions / Explanation : Complementary Gene
Kappa particles indicate
Blood bank of the body or reservoir where the blood is stored and can be mobilized, is
Which type of pollination method was adopted by Mendel in his experiment?