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Why is a person who has Klinefelter's syndrome a mail even though he has 2X chromosomes in his cells?
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What do homologus chromosomes do?
homologus chromosomes dont really DO anything. They contain the genes for the same traits though
Why do animals have equal number of chromosomes?
yes, all animals have even numbers of chromosomes. for example humans have 23 pairs (46 chromosomes). i'm not sure why this is though. anyone know?
How chromosomes number remains the same in the members of same species give scientific reason?
of the formation of haploid sex cells during meiosis, which then unite to form a new diploid cell called a zygote, which will have the same number of chromosomes as the members of that species.
Do ALL cells contain forty-six chromosomes?
No gametes or sex cells each have 23 chromosomes. Meaning that a sperm would have 23 chromosomes (not pairs) and an egg would have 23 (also not pairs), which are called haploid cells. So when united, they pair and have 23 pairs of chromosomes, or 46 chromosomes.
Are chromosomes found in the nucleus of the cell?
yes. chromosomes are made up of DNA which is found in the nucleus. The part not found in the nucleus is the mitochondria. I'm not sure about the others though. Centriole is another organelle that is not found inside a nucleus.
Who are famous people with Klinefelter's syndrome?
Klinefelterâ??s syndrome is the result of additional X genetic material in males and typically causes low testosterone levels, gynecomastia, and infertility. Though there are no documented famous people with this syndrome, some believe that George Washington may have been afflicted.
How many pairs of chromosomes are there?
The typical number of chromosomes in a human cell is 46 - two pairs of 23 - holding an estimated 25,000 genes. One set of 23 chromosomes is inherited from the biological mother (from the egg), and the other set is inherited from the biological father (from the sperm).
Does klinefelter syndrome skip a generation?
No, as people with Klinefelter's syndrome cannot have children and so there would not be another generation. (That is not entirely true, while it is true Klinefelters causes an extra chromosome sperm maybe be found via a testicular extraction in minute amounts. If this is the case you can father a biological child though the chances are small it is not impossible and more and more Klinefelter men are becoming dads. We can also adopt, and while I understand the authors point - the child would be ours and therefore carry our name and continue the generation. Klinefelters IS NOT hereditary. Hope this helped.
If a baby boy is born and the Dr cant find his testicles does it mean that they will never appear?
It probably means that the boy has a disease known as Klinefelters. They have two x chromosomes and one y. This will make the boy have a more feminine appearance even though the boy is a guy from genetic makeup.
How do the karyotype of a person with triple x syndrome differ from a normal karyotype?
A person with Triple X syndrome (or Poly-X syndrome)is a woman; hence the fact that they have all "X" chromosomes, versus 1 "X" and 1 "Y" (XY), which would be a male. The difference is that during cell reproduction they manage to get an extra "X" chromosome, thus giving them 3 "X" chromosomes(XXX) in some, but not all, of their cells. A normal female karyotypewould only have 2 "X" chromosomes (XX).Usually, there are no visual symptoms and the disease cannot be recognized just by looking at the person. A woman with Triple X tends to be tall and thin. Most are not mentally retarted (though in rare cases, they can be), butmost usuallyhave reproductive and mentrual difficulties/problems.More info at: http://en.wikipedia.org/wiki/Triple_X_syndromeHope this helps! ;)
Is there any syndrome that is similar to Down syndrome?
Some symptoms include intellectual disability, hypothyroidism, and heart defects. Some characteristics of people with Down Syndrome are short stature, weak muscles, slanted eyes, a pushed-in nose bridge, and irregular mouths/tongues.
What are the similarities and differences between people with Down syndrome and people without this disability?
People with down syndrome has an extra chromosome in the 21st pair. The normal amount of chromosomes is 56 single chromosomes (23 pairs). A person with down syndrome has 57 chromosomes. Therefore, they look and act more different than people without the disorder. Instead of looking like their parents, people with down syndrome look more like other people who has down syndrome.
Is it true that Fergie has Down syndrome?
No, Fergie does not have Down syndrome!! She had ADHD when she was younger, though!!
Can people with Marfan syndrome fly in an airplane?
Yes. A person with Marfan syndrome should have no problem flying in a commercial aircraft. Flights in an unpressurized aircraft are not recommended though, because the changes in altitude can cause a collapsed lung (pneumothorax), a particular risk for people with Marfan syndrome.
Can a person with Turners syndrome have some of the symptoms?
yes. Not every girl/woman has issues with heart, or a webbed neck, for example. The syndrome affects each woman differently though short stature and infertility are almost always present.
Do DNA have chromosomes?
No though DNA is in chromosomes DNA stands for Deoxyribonucleic acid and those acids are composed in DNA
What do homologus chromosomes do?
homologus chromosomes dont really DO anything. They contain the genes for the same traits though
