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the ovum (egg) is fertilized by the sperm at the frst 1/3 of the fallopian tube of the female reproductive system
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∙ 15y ago
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How many sperm cell are needed for fertilization?
Only one sperm is required to fertilize an egg. One is both necessary and sufficient in order for an egg to be fertilized. But in order to be confident that one will make it, you need a certain minimum sperm count.
What is gametic incompatibility?
Gametic incompatibility is the inability for a sperm to penetrate and fertilise the egg. For example, in abalones, the sperm carries a lysin protein that dissolves a hole in the egg's envelope, but only in eggs from the same species of abalone (D.J. Futuyma, Evolutionary Biology, 1998)
What would happen if more than one sperm were able to fertilize an egg?
The fact that only one sperm can fertilize an egg. After the sperm enters the cytoplasm of the oocyte, the cortical reaction takes place, preventing other sperm from fertilizing the same egg
How is a sperm cell good at its job?
The sperm cells (spermatozoa) shape and structure makes it a specialised cell. Its tail (flagellem) enables it to swim and move easily to reach and fertilise the female egg. There are many mitochondria within the body of the cell providing it with the energy to enable it to swim. Within the head of the sperms cytoplasm a vacuole containing enzymes is present so that it can digest its way through the ovum to fertilise it.
Why does a sperm cell have a streamedlined shape?
to move through the cervical fluid and penetrate the egg, so it can fertilise it.
Why the egg and sperm meet?
Because the sperm will die if it doesn't fertilise the egg. Survival at its basics.
What is the function of the egg cell and sperm cell?
the sperm cells have to swim to the ovum and then fertilise it. and the egg cells have to reproduvce the offspring
Which part of a plant cell swims towards the egg to fertilise it?
sperm
What does the sperm do?
The motility of the sperm helps to progress its movement towards the ovum to fertilise it.
What is the sperms job?
a sperm call job is to find an egg to fertilise
Does the egg select the sperm or does an egg always become fertilized in the presence of sperm?
The sperm has to fertilise the egg. sometimes one gets through, others they don't. Obviously if the sperm gets through then the woman is pregnant
How long does the tail of sperm remain attached to the head?
The tail of a sperm remains with the head until the sperm goes into the egg to fertilise it.
How many sperm cell are needed for fertilization?
Only one sperm is required to fertilize an egg. One is both necessary and sufficient in order for an egg to be fertilized. But in order to be confident that one will make it, you need a certain minimum sperm count.
How many sperm cells can fertilise a egg?
Only one sperm cell can fertilise each ovum. After that no more can get in.
What is terminal disc of a spermatozoa?
The sperm cell is a specilised cell and it's main function is to fertilise the egg
Does a small amount of semen lead to more birth defects?
No. Only one sperm is needed to fertilise the egg
Does sperm always make it to the Fallopian tubes and If sperm does make it to the tubes does that automatically mean fertilization off the egg?
Well, if there is no egg there, then no. It's more a case of whether it manages to fertilise the egg after finding it because it doesn't always do that
