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Which event can result in the birth of identical twins?
Two egg cells are each fertilized by separate sperm cells.
Why do sperm cells need a tail but egg cells don't?
Sperm cells need a tail to swim to the egg for fertilization, as they are motile cells. Egg cells, on the other hand, are non-motile and stationary within the female reproductive system, waiting to be fertilized. This is why sperm cells have evolved to have a tail for movement, while egg cells do not require this adaptation.
How many sperm can be fertilized an ovum?
The exact number of egg cells that can be fertilized is exactly the same as the number of egg cells that are available. For example, in a salmon, about 7,000,000. In a human, normally one, occasionally two to three, rarely up to five and very, very rarely up to seven. Just because they 'can be' fertilized though does not mean that they 'will be' fertilized!
What is a fertilized female egg cell called?
A fertilized egg cell is when a sperm enters an egg. The result is a fertilized egg cell, or a zygote.
What is immediately produced when an animal's egg cell is fertilized by the sperm?
Zygote is immediately produced when an animal's egg cell is fertilized by the sperm.
How many sperm cells fertilized the egg cell?
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When a sperm unites with an egg what is the fertilized egg?
The gametes, or "sex cells" - the sperm and ovum (egg) - become the fertilized egg (zygote) when they fuse.
What happens to the egg and the sperm during fertilization?
The nuclei of the egg and sperm cells fuse to form the fertilized egg.
What becomes fertilized egg?
The gametes, or "sex cells" - the sperm and ovum (egg) - become the fertilized egg (zygote) when they fuse.
What happens the nuclei of the egg and sperm during fertilization?
The nuclei of the egg and sperm cells fuse to form the fertilized egg.
How many sperm cells and egg cells are normally needed in order to become fertilized?
One each will theoretically do the job, but normally millions of sperm are required.
How fertilized egg is formed?
Its formed when the female and male cells are united. Chicken eggs are fertilized by roosters.the sperm goes in to the egg and fertilises the egg . by cit
Which event can result in the birth of identical twins?
Two egg cells are each fertilized by separate sperm cells.
Has how many chromosomes withn the egg cells?
All human gametes (sex cells), which means egg cells and sperm cells, have 23 chromosomes. When the sperm fertilises the egg, the 23 chromosomes from the egg cell and the 23 chromosomes from the sperm cell join to make cells with 46 chromosomes. In summary, all cells in the human body have 46 chromosomes, except sperm cells and egg cells, which have 23.
Where are egg cells released from?
Egg cells are released from the ovaries in females during ovulation. The egg then travels through the fallopian tubes towards the uterus where it can potentially be fertilized by sperm.
Why do from the 20000 egg cells only 5000 bullfrog offspring produce?
Many of the egg cells do not get fertilized by sperm, some may not survive due to external factors, and others may not develop properly. Only a small percentage of the egg cells that are fertilized and develop into embryos will successfully hatch and grow into bullfrog offspring.
Why do sperm cells need a tail but egg cells don't?
Sperm cells need a tail to swim to the egg for fertilization, as they are motile cells. Egg cells, on the other hand, are non-motile and stationary within the female reproductive system, waiting to be fertilized. This is why sperm cells have evolved to have a tail for movement, while egg cells do not require this adaptation.
