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Why is it that a mongoloid person have 65 chromosomes?
People with Down syndrome, also called mongoloidism have 47 chromosomes. Having 65 chromosomes would be lethal, as normally having 47 chromosomes is lethal. Down syndrome is also known as trisomy 21, because instead of two copies of chromosome 21, a person with Down syndrome has three copies, which accounts for the 47th chromosome.
How many chromosomes does a person with Down Syndrome have?
Down Syndrome is when you have a trisomy of chromosome number 21. So that means they have 47 chromosomes. An older name for Down Syndrome is Mongolism. That was considered a racist term because it made fun of the features of people from Mongolia. Its use was dropped in 1965 after a delegate from Mongolia asked that the name be dropped as a medical term.
What if you have 47 chromosomes?
Having 47 chromosomes is an abnormality known as aneuploidy. It can result from errors during cell division or genetic conditions like Down syndrome or Klinefelter syndrome. Aneuploidy can lead to developmental issues and health complications.
What is the diagnosis if you have 92 chromosomes?
down's syndrome
Is a triploid chromosome viable in humans?
Triploid chromosome (69 total chromosomes instead of 46) is not viable in humans and typically results in miscarriage. It is considered a lethal condition due to the abnormal number of chromosomes, which disrupts normal genetic function and development.
In one kind abnormal chromosome inheritance called down syndrome a child has three copies of?
an adnormal number of chromosomes ofter results in
How many chromosomes do the parents of a child with Down syndrome have?
The parents of a child who has Down syndrome each have the normal amount of chromosomes. The parents have 46, the child has 47.
How is Down syndrome cause?
Down's sydrome is caused by trisomy 21, when there are three 21st chromosomes instead of the normal two.
What is down syndrome disorder?
genetic condition in which a person has 47 chromosomes instead of the usual 46
People with down syndrome have how many chromosomes?
47There are 47 chromosomes in someone with Down syndrome; the 21st pair has an extra chromosome. Most people have 46 chromosomes. Down syndrome is also known as "Trisomy 21" - a reference to the fact that someone with Down syndrome has 3 pairs of chromosomes on their 21st pair.
When did the Down syndrome started?
a normal child has a cerain number of chromosomes, 1/2 from mom, 1/2 form dad, if the child has one less, or one too many, voila! down syndromb
Can someone have less than 46 chromosomes?
It is certainly possible to have more than 46 as in Trisomy 21 (or down syndrom) where "one cell has two 21st chromosomes instead of one, so the resulting fertilized egg has three 21st chromosomes".
What does down syndrome mean?
it means that you have 47 chromosomes instead of 46.
How does the number of chromosomes in sex cells compared with the number of chromosomes in body cells?
Sex cells have 23 chromosomes compared to the body cells' 46 chromosomes. This is because a child is created from half the genome of its father and half the genome of its mother. In other words, 23 chromosomes in the mother's egg and 23 chromosomes in the father's sperm, when combined generate a child with 46 chromosomes in its body cells. However, sometimes mutations occur where more of fewer chromosomes are passed down, this will either result in no embryotic development or the embryo having some kind of syndrome.
How does the number of chromosomes in sex cells compared with the number of chromosomes in body cell?
Sex cells have 23 chromosomes compared to the body cells' 46 chromosomes. This is because a child is created from half the genome of its father and half the genome of its mother. In other words, 23 chromosomes in the mother's egg and 23 chromosomes in the father's sperm, when combined generate a child with 46 chromosomes in its body cells. However, sometimes mutations occur where more of fewer chromosomes are passed down, this will either result in no embryotic development or the embryo having some kind of syndrome.
How does the number of chromosomes in sex cells compare with the numbers of chromosomes in body cells?
Sex cells have 23 chromosomes compared to the body cells' 46 chromosomes. This is because a child is created from half the genome of its father and half the genome of its mother. In other words, 23 chromosomes in the mother's egg and 23 chromosomes in the father's sperm, when combined generate a child with 46 chromosomes in its body cells. However, sometimes mutations occur where more of fewer chromosomes are passed down, this will either result in no embryotic development or the embryo having some kind of syndrome.
How does the number of chromosomes in sex cell compare with the number of chromosomes in body cells?
Sex cells have 23 chromosomes compared to the body cells' 46 chromosomes. This is because a child is created from half the genome of its father and half the genome of its mother. In other words, 23 chromosomes in the mother's egg and 23 chromosomes in the father's sperm, when combined generate a child with 46 chromosomes in its body cells. However, sometimes mutations occur where more of fewer chromosomes are passed down, this will either result in no embryotic development or the embryo having some kind of syndrome.
