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How many chromosomes do the parents of a child with Down syndrome have?
Wiki User
∙ 12y ago
The parents of a child who has Down syndrome each have the normal amount of chromosomes. The parents have 46, the child has 47.
Wiki User
∙ 12y ago
Wiki User
∙ 16y agoNormally each parent gives a child 23 chromosomes, one copy of each chromosome type 1-22 plus one sex chromosome. Contributions from both parents give the child 23 pairs of chromosomes.
Wiki User
∙ 14y agoFemale: 23 Male:23
Total:
46 chromosomes
Wiki User
∙ 12y agoThe male sperm cell contains 23 chromosomes. Also, the female ovum contains 23 chromosomes. Therefore, we have 46 chromosomes.
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Is it possible for 2 parents with down syndrome to produce a child with no non-disjunction disorder please explain?
No, it is possible for 2 parents with down syndrome to produce a child with no non-disjunction disorder because of a gamete is produced with an extra copy of the chromosomes.
Would parents pass down syndrome to their future children?
No. Parents who have a child with Down syndrome do not have an increased chance in having another child with Down syndrome. Everyone has the same chance of having a child with Down syndrome, 1%.
Is it possible for 2 parents with down syndrome to produce a child with no non-disjunction disorder please explain why?
Since Down Syndrome is not genetic and is a trisomy, dominant and recessive genes do not play a role and it is possible for two down syndrome parents to have a child without down syndrome.
Are children of Down Syndrome parents normal?
That would mean that the mother is the one with Down syndrome, since men with Down syndrome are sterile. There is a 50% chance that the child will have Down syndrome and 50% chance that child will be born without.
What is the genetic disorder for having three 21 chromosomes?
down syndrome
What is the total amount of chromosomes do down syndrome children have?
21 chromosomes
What chromosomes do you get an extra copy for in humans that results in Down syndrome?
Down Syndrome is caused by a triplication of the 21st chromosome.
What is the diagnosis if you have 92 chromosomes?
down's syndrome
In one kind abnormal chromosome inheritance called down syndrome a child has three copies of?
an adnormal number of chromosomes ofter results in
If you have a brother or a sister with Down syndrome does this increase the chances of giving birth to a child with Down syndrome?
no if the one of the parents have it and it is genetic then yes. but in this case no because it is not genetic
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.
Is Down Syndrome a result of trans location?
no it is not. d.s. is a trait from your parents gene and if you get one less or more of the natural chromosomes then you are special.
