Question

Question 20:
The chemical attraction between Male &
Female gametes is called--------
Fetilization
Chemotaxis
Amphimixis
Both B and C
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Answer 1

Echinoderms - Fertilization

Chemotaxis is the process by which a migrating (or swimming) cell moves toward a higher concentration of a diffusuble or substrate-bound guidance molecule. Second, physical contact with egg jelly occurs. ... The small peptide RESACT acts as a chemoattractant for sea urchin sperm.

Answer 2

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The chemical attraction between Male &

Female gametes is called fertilisation.