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What is a chromosome pair that has a extra chromosome attached to it?
Wiki User
∙ 10y ago
A Trisomy 1. Another said this was Down's Syndrome.
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoSome people have some attached to 21
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What is the term for the two sets of chromatids?
A chromosome pair, as in a pair of Chromosome 15, or a pair of Chromosome 5. Others have said Tetrad - Pls stand-by.
How many chromosomes will a zygote with trisomy have?
Meiotic nondisjunction. In meiosis I or II, chromosome pair 21 fail to separate correctly, leaving one gamete with an extra chromosome 21.
What does it mean when someone has an extra chromosome?
If someone has an extra chromosome it means there was a genetic mutation that is abnormal in human development. It may result in problems with the person affecting them on a basic level, or may go fully unnoticed. A common disorder that can be caused by having an extra chromosome is Down's Syndrome.
What is the chromosome pair for a boy?
XY
What is the chromosome that represents the sex chromosome?
You have pair of X chromosomes in case of females. You have a pair of X and Y chromosomes in case of male.
Will a child have autism if an extra chromosome is on the 21 pair?
no, an extra copy of chromosone 21 causes down syndrome
What is trisomy syndrome?
In a trisomy syndrome, an extra chromosome is present so that the individual has three of a particular chromosome instead of the normal pair.
What condition results when a child is born with extra chromosome on the twenty -first pair?
Down syndrome
What causes the abnormality in chromosome numbers in people with down syndrome?
It is most commonly caused by increased maternal age.Add: It is the result of nondisjunction of the 21st chromosome pair, in which the pair fails to separate, so that one cell gets an extra copy of chromosome 21.
How many chromosomes will a zygote with trisomy have?
Meiotic nondisjunction. In meiosis I or II, chromosome pair 21 fail to separate correctly, leaving one gamete with an extra chromosome 21.
What is the term for the two sets of chromatids?
A chromosome pair, as in a pair of Chromosome 15, or a pair of Chromosome 5. Others have said Tetrad - Pls stand-by.
What are the causes of heredity diseases?
The causes of a hereditary disease is a missing chromosome, and extra chromosome. Like in Down Syndrome there is an extra chromosome 26.
What gene is affected in Down Syndrome?
It is the result of a chromosomal abnormality, in which there is an extra chromsome on the chromosome 21 pair. This is call trisomy 21.
What is the difference between Edward's syndrome and Patau's syndrome?
in Patau there is an extra chromosome in chromosome 13, in Edwars it the extra chromosome is in chromosome 18
Through a microscope you see an exchange of chromosome segments between chromosome pair 7 and chromosome pair 15 This condition is an example?
translocation
What is the term for an individual who has an extra copy of one chromosome or is missing a chromosome - Is it something-'ploid'?
Aneuploid - the individual has an extra copy of one chromosome or is missing a chromosome.
If a human gamete with an extra chromosome participated in fertilization with a normal human gamete what condition results?
A trisomy. Trisomies are usually fatal in all chromosome pairs except 5, 13, 21 (these cause Down syndrome), and 23 (The chromosome pair that determines gender)
