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a "normal" human being should have a total of 46 chromosomes. 23 from mom, 23 from dad. if something goes wrong during meiosis, the chromosomes may not be separated normally and a gamete (sex cell, known as sperm or egg) will have either too few or too many chromosomes. this is known as aneuploidy. the effects of aneuploidy on the zygote will vary depending on what chromosomes you are talking about. in the case of chromosome #21, having one extra is called "trisomy 21" which leads to the condition known as Down syndrome. chromosome pairs 1-22 are a person's autosomes. the 23rd pair are sex chromosomes. aneuploidy affecting the sex chromosomes can have various effects, depending on what chromosomes are inherited. as you can see, the effects of aneuploidy depend on the specific chromosome number/pair. aneuploidy usually is not fatal.
What else can I help you with?
How long is the human embryo fetus at 2 months at 3 months?
7 months it is a fetus
What are the release dates for Super Fetus - 2009 1-2?
Super Fetus - 2009 1-2 was released on: USA: 26 April 2009
What happens if you put 3 eggs instead of 2 eggs in a cookie recipe?
You will have I extra egg in your cookies
If a fetus is 11.5 cm in length what is the age of that fetus also how accurate is that age?
Maybe around 2months and 2 weeks.
What is the developing embryo called after the first 2 months?
After the 8th week, the embryo is called a fetus.
How do you preserve an animal fetus?
To preserve an animal fetus, you can use formalin or ethanol solution to fix and store the specimen. Make sure to carefully remove excess tissue and fluids before placing the fetus in the preserving solution. Store the specimen in a cool, dark place to prevent decay and maintain its condition.
What happens if you do more than 2 hours in aceable drivers ed and complete the course in 2 days instead of 3?
Try following a protocol.
What are the release dates for L-A- Law - 1986 Fetus Completus 2-16?
L-A- Law - 1986 Fetus Completus 2-16 was released on: USA: 3 March 1988
What are the release dates for So Social - 2011 Fetus Face 2-15?
So Social - 2011 Fetus Face 2-15 was released on: USA: 29 November 2011
How many weeks do sperm cells become fetus?
2 weeks
What are the release dates for South Park - 1997 Conjoined Fetus Lady 2-5?
South Park - 1997 Conjoined Fetus Lady 2-5 was released on: USA: 3 June 1998
What does a embryo look like a 2 and a half months?
at 2 and a half months its not an embryo anymore its already implated intself into the uterine lining and becomes a fetus. but the fetus is about and inch and a half long by then i would say.
