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well if human chromosomes number 21 does not separate during fertilization the baby will be with Down syndrome. at fertilization of the egg with a normal sperm the zygote contain three chromosome number 21 (trizomic 21) hence the zygote contain 47 chromosome instead of 46.
What else can I help you with?
How many chromosomes does a human have.?
Every normal human cell has 46 chromosomes (23 pairs), so every human gamete has 23 chromosomes. Rarely, a human cell might have an extra chromosomes and that some times causes the death of the embryo or a deformity like Down's.
What does thid ditloid mean 46 c in e?
It might be 46 Countries in Europe.
What stage of mitosis are the chromosomes most tightly condensed?
During the metaphase stage of mitosis, the chromosomes are most tightly condensed. This allows for the accurate alignment of the chromosomes along the metaphase plate before they are separated into separate daughter cells during anaphase.
What might happen if an egg cell received two X chromosomes during meiosis instead of one?
The offspring could have three X chromosomes or two X chromosomes and a Y chromosome.
What might happen if a human being is very stressed?
They might die
Which of the following might or might not happen during binary fission?
The daughter cells may or may not separate
What happen lack of chromosomes?
If there is a lack of chromosomes, then the full genetic structure of a human being cannot be reproduced because a human is made up of forty-three chromosomes (twenty-three from each parent) and if one is missing, there will only be forty-five, which will not reproduce a human being.
What happens if you eat hot mayonnaise?
Nothing will happen, though the mayonnaise might start to separate.
What might happen if the human body did not have cells tissues organs and organs systems to maintain homeostasis?
what might happen if the human body did not have specialized cells tissue organs and organ systems to maintain homeostasis
What might happen to an animals arrangement if human build a road or a subdivision?
I.D.K. this ansyer
What is a belief that events are beyond human control and that bad things might happen?
fate, destiny
What does human influences mean?
I think that human influence means that we as humans are influencing a lot of things that ether will or might happen in the future . If we don't improve, on our lifestyles, then we might be endangering our planet's future!!!!
