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The outer layer of the egg changes to prevent more than one sperm from entering the egg.

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11y ago
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5mo ago

The change in the egg's covering is due to a process called the zona reaction, which is triggered by the entry of the sperm into the egg. This reaction helps prevent other sperm from entering the egg, ensuring that only one sperm fertilizes the egg.

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Q: Why does the egg's covering change after a sperm has entered the egg?
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Related questions

Why does the eggs covering change after a sperm has entered the egg?

The outer layer of the egg changes to prevent more than one sperm from entering the egg.


What has a water-resistant covering and gametophyte parts that can produce sperm?

A moss sporophyte has a water-resistant covering and gametophyte parts that can produce sperm. The sporophyte is the dominant stage in the moss life cycle and is responsible for producing spores through meiosis. The spores develop into new gametophytes that can produce both sperm and eggs.


Do girls have sperm?

No, girls do not have sperm. Sperm are the male's reproductive cells. Only men have sperm. Girls (females) have eggs instead.


Can humman sperm fertalize goldfish eggs?

No, human sperm cannot fertilize goldfish eggs. Sperm and eggs from different species are not compatible for fertilization due to genetic and biological differences.


Where does a mutation have to occur for it to passed to the next generation?

In the cells that will divide to become eggs or sperm (or the eggs or sperm themselves).


How does sperm reach an egg of a ladybug?

The eggs are fertilized before the female lays them, when she mates. The sperm swims to the eggs to fertilize them.


Eggs and sperm are also known as?

Eggs are also known as ova, while sperm are also known as spermatozoa.


What cell is the sperm or eggs?

the egg is larger than the sperm cell


Why amphibians must lay their eggs in a moist environment?

they need the water so their sperm can swim to the eggs.


What are sperm and eggs produced by?

gonads


Do over easy eggs have sperm in them?

No, over easy eggs do not contain sperm. Over easy eggs are simply eggs that have been cooked on both sides, with the yolk still runny when the dish is served. The white and yolk of eggs come from the hen's reproductive system, but there is no sperm involved in the eggs we eat.


How cod sperm and egg cells meet?

Cod sperm and egg cells meet during fertilization, which occurs externally in the water. When the female releases her eggs, the male releases his sperm to fertilize them. The sperm swims towards the eggs and fertilizes them by fusing with the egg cell membrane, resulting in the formation of a fertilized egg.