Who does not reproduce asexually?
- mole
- protozoa
- yeast
Who reproduces asexually?
- protozoa, plants, tunicates
- yeast, cnidarians, mole
- protozoans, cnidarians, elephant
Are identical twins rarer than fraternal?
- Yes, they are.
- No, they are not.
Asexual reproduction and identical twins
- Yes.
- No.
By fertilization of two eggs are formed
- fraternal twins
- identical twins
Fraternal twins
- might not be of the same sex
- are always the same sex
- one boy and one girl are born each time
What twins used to be a popular attraction?
- Siamese twins
- Prague twins
- London twins
Heritability of intelligence is
- relatively big
- very loww
- heritability has no effect on intelligence
Heritability of intelligence is estimated between
- 60 – 80 %
- 20 – 40%
- 1- 4 %
The result of upbringing and education can affect IQ
- 20 - 40 %
- 60 - 80 %
- 1-4 %