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Triple X syndrome is a form of chromosomal variation characterized by the presence of an extra X chromosome in each cell of a human female. The condition occurs only in females, which have an additional chromosome, resulting in the formation of XXX.
The female may not experience severe phenotypic characteristics though because of Barr Bodies. 2 (randomly selected) of the 3 X chromosomes will be "switched off" in each cell.
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A human cell with 2 Barr bodies and no Y chromosome is from?
A female with 3 X chromosomes. (XXX) Two of the X chromosomes will be inactivated, leaving one functional X chromosome, 2 Barr bodies, and no Y chromosome.
Homologous chromosomes is terms of the number of genes and the type of genes they have?
Homologous chromosomes are pairs of chromosomes (one from the female and one from the male), each of which contains genes which correspond to the genes on the other chromosome in the pair. For example, if a chromosome contains a gene for eye color, the corresponding chromosome will also have a gene for eye color in the same place.
What 3 key features are used to read chromosomes?
total # of chromosomes
What 3 things homologous chromosomes have in common?
Homologous chromosome have gene of same character.
Contrast the sex chromosomes found in a human females and human males?
the female egg cell is almost like a body cell the sperm cell however has 3 sections. A tail for moving, a mid section full of energy producing mitochondria, and a head containing the nucleus and covered with enzymes.
What causes Pick disease?
The molecular cause of Pick disease are a series of mutations linked to chromosomes 17, 9 and 3
How many chromosomes does a female grasshopper have?
Grasshoppers have 3 ocelli.
Which sex chromosomes do female have?
Normal females have XX chromosomes (unless there is some chromosomal abnormalities such as Turner's Syndrome or fragile X syndrome). It is also possible for a female to have 3 or even X, in which case, she is referred to as a "superfemale"
What is the sex chromosome combination of a female?
the combination of sex chromosomes for a female is XXX it is the triple x because in 1947 a women in North Bonerville Africa found that women have 3 sex chromosomes while males only have two
What does type 3 disease mean?
More information is needed to answer. Please note the disease about which you're asking. Many diseases have a "type 3."
When do symptoms of Type 3 Gaucher disease occur?
Symptoms of Type 3 Gaucher disease begin during early childhood with symptoms like Type 1.
How does Type 3 Gaucher disease differ from Type 2?
Unlike Type 2, the progress of Type 3 Gaucher disease is slower, although it also includes nervous system damage.
Is Huntington's disease caused by 3 chromosomes of the 21st pair?
page 314 Huntington's disease is lethal GENETIC DISORDER caused by a rare dominant allele. It's not a chromosonal disease, it is a genetic disorder. D
What sex chromosomes do girls have?
the combination of sex chromosomes for a female is XXX it is the triple x because in 1947 a women in North Bonerville Africa found that women have 3 sex chromosomes while males only have two
How many sections does an ant have?
Female ants have only 2 chromosomes, males are haploid, they have only one. This is the smallest number of chromosomes for any animal.
A human cell with 2 Barr bodies and no Y chromosome is from?
A female with 3 X chromosomes. (XXX) Two of the X chromosomes will be inactivated, leaving one functional X chromosome, 2 Barr bodies, and no Y chromosome.
Homologous chromosomes is terms of the number of genes and the type of genes they have?
Homologous chromosomes are pairs of chromosomes (one from the female and one from the male), each of which contains genes which correspond to the genes on the other chromosome in the pair. For example, if a chromosome contains a gene for eye color, the corresponding chromosome will also have a gene for eye color in the same place.
