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When fertilisation happens the nucleus of the sperm cell must release a special chemical which helps it to find a way into the ovum (egg).
By Sophie Tyler On The 20/3/2010.
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∙ 14y ago
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Why are bryophytes limited to wet habitats?
Bryophytes must live in wet habitats in order to reproduce. They must have enough water for the sperm to swim over to the egg and fertilize it.
What must animal sperm and egg cells stay for fertilization to occur?
I dont kow
How can you tell if he is sterile?
The only way to determine if a man or woman is sterile is to have them tested. There are a series of tests that can be done on a sample of the man's sperm to determine if he is sterile. As a rule of thumb this is what a man needs to be considered fertile: 2ml or more of semen 2 million sperm per ml of semen 50% or more of the sperm must be correctly formed 50% or more of the sperm must have good motility
What part of the sperm must be present for energy production?
The mid piece of sperm contains mitochondria, which is required for energy production. The energy is used to propel the flagellum(tail).
In the whitefish how many chromosomes are there in a single set?
There are 40 chromosomes in a sperm cell of a white fish because the original number of chromosomes in a body cell is 80. Since the sex cells ( sperm and egg) each must contribute a set of chromosomes to the offspring, the sperm and egg both must have 40 chromosomes so they when the sperm and egg join or combine in a process known as fertilization, the offspring will have 80 chromosomes.
Can you get pregnant from swolling sperm?
No; sperm must enter the vagina to get pregnant.
What happens when your ball sack sag?
Your sack (Scrotum) relaxes to cool your balls (Testicles). They (your Testicles) must remain at a very specific temperature to produce your Sperm.
What type of sperm must fertile as egg to result in a female child?
The sperm must have an X chromosome as opposed to a Y chromosome.
He came in you but you didn't get pregnant?
his sperm must not have reached the egg or the sperm is defuncted which means its useless
What must happen for sexual reproduction to take place in a flatworm?
In order for sexual reproduction to take place in a flatworm, two flatworms must come together and mate. When mating happens, the flatworms transfer sperm to each other.
How do I become a sperm donor?
There are clinics that offer services to become a sperm donor, but you must be tall and hansome.
Why are so many sperm released at a time?
A lot of sperm are needed to increase the chances of finding the egg. Both egg and sperm are tiny and, compared to their size, the sperm must cover a vast distance.
What color must be sperm?
blue ! are you crazy you freak you must be like 5 or something its white
How do you make sperm cells?
You must be a male. You will begin to make sperm at puberty. These are made in the testicles in the millions per day.
Can you get pregnant by lower body fondling?
To become pregnant, sperm must enter the female's vagina. If no sperm is involved, it isn't possible.
Where must the egg and the sperm meet if fertiliztion must be successful?
it must meet in the Virgina where the egg is if not then the egg will float away and get disintegrated.
What are cells that must embed itself in the uterus to survive?
sperm cells.
