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Similarities between catfish egg and domestic fowl egg

Are you preparing for the upcoming waec biology practical 2023 exam and looking for the similarities between catfish egg and domestic fowl egg. Search no more!

similarities between catfish egg and domestic fowl egg

1. Protective membranes: Both catfish and domestic fowl eggs are protected by multiple membranes that help to keep the egg contents from drying out or being invaded by pathogens.

2. Yolk: Both eggs contain a yolk that provides the embryo with nutrients during development.

3. Chalaza: Both eggs have chalaza, which are twisted strands of protein that hold the yolk in place and provide it with stability during development.

4. Germinal disc: Both eggs have a germinal disc, which is the area of the egg where the embryo will develop.

5. Albumen: Both eggs have albumen, which is the egg white that surrounds the yolk and provides protection and support to the developing embryo.

6. Vitelline membrane: Both eggs have a vitelline membrane, which is a membrane that surrounds the yolk and separates it from the albumen.

Feature Catfish Egg Domestic Fowl Egg
Protective membranes Multiple membranes protect the egg contents Multiple membranes protect the egg contents
Yolk Contains a yolk that provides nutrients Contains a yolk that provides nutrients
Chalaza Has twisted strands of protein that hold the yolk in place Has twisted strands of protein that hold the yolk in place
Germinal disc The area of the egg where the embryo will develop The area of the egg where the embryo will develop
Albumen Egg white surrounds the yolk and provides protection Egg white surrounds the yolk and provides protection
Vitelline membrane Surrounds the yolk and separates it from the albumen Surrounds the yolk and separates it from the albumen

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