Question

When three Spirogyra filaments are participating in conjugation, the possibilities are that

• A. The middle one may be female and outer ones are male
• B. The middle one may be male and outer ones are female
• C. Both A and B
• D. None of the above

Answer 1

The correct option is C Both A and B

Rarely three filaments may take part in scalariform conjugation. Here, the central filament shows relative sexuality and behave as male to one and female to other, so that zygospore are formed in either central or lateral filaments.