Trisomy 21, Down's syndrome
The 23rd pair of chromosomes in humans is the sex chromosomes, with females having two X chromosomes (XX) and males having one X and one Y chromosome (XY). Any abnormality in this pair can lead to conditions such as Turner syndrome (XO), Klinefelter syndrome (XXY), or Triple X syndrome (XXX).
The Philadelphia chromosome abnormality is that chromosome 9 and 22 have swapped places. This abnormality causes a higher susceptibility to forms of leukemia. Specificly it is connected most commonly to chronic myelogenous leukemia.
Factors that most affect chromosomal abnormalities include advanced parental age, exposure to certain environmental toxins or radiation, and genetic predisposition. Additionally, errors during cell division or replication can also lead to chromosomal abnormalities.
The most common trait in humans is having five fingers on each hand. This trait is found in the vast majority of the human population worldwide.
Most zygotes with serious chromosomal problems are born with severe mental and physical disabilities; many die before being born or shortly thereafter.
Trisomy
Trisomy 21 (Down syndrome) is the most common type of chromosomal abnormality that is viable in humans. Individuals with Down syndrome have an extra copy of chromosome 21, which can result in distinctive physical characteristics and developmental delays, but many individuals with Down syndrome lead healthy and fulfilling lives.
Down Syndrome-the rest is on wikipedia
decreased factor VIII level
Please get the Ultrasonography done after two weeks of missed period and in second trimester. Your doctor will take care of it. They can be seen in Ultrasonography and you need not worry about it. Think of best and you will get it.
The 23rd pair of chromosomes in humans is the sex chromosomes, with females having two X chromosomes (XX) and males having one X and one Y chromosome (XY). Any abnormality in this pair can lead to conditions such as Turner syndrome (XO), Klinefelter syndrome (XXY), or Triple X syndrome (XXX).
The most common autosomal abnormality seen in a person is Trisomy 21, which causes Down syndrome. This occurs due to an extra copy of chromosome 21, leading to developmental delays and physical characteristics like slanted eyes and a flat facial profile.
humans
The most common ailment among any humans is the common cold.
most of abnormality in a clans is due to the inheritance of mutated gene from parents , since in most clans individuals intermarried in the clans itself . therefore the mutated gene(responsible for the abnormality) remains in the progeny , thus clans abnormality is involved ion heredity
The most common ear problem is an ear infection.
mutation