Unisexuality of flowers prevents

Options

(a) autogamy, but not geitonogamy
(b) both geitonogamy and xenogamy
(c) geitonogamy, but not xenogamy
(d) autogamy and geitonogamy

Correct Answer:

autogamy, but not geitonogamy

Explanation:

Unisexuality of flowers prevents. autogamy, but not geitonogamy. In self fertilisation, the male and female gametes are derivedf rom the same individual. Among plants, self sfertilization also called autogamy is common in many cultivated species, eg., wheat and oats. However, self fertilization is a form of inbreeding and does not allow for the mixing of genetic material; if it occurs over a number of generations it will result in offspring being less vigorous and productive than those resulting from cross