How many Submetacentric chromosomes are there?
In humans, several chromosomes are submetacentric: chromosome 2, chromosome 4, chromosome 5, chromosome 6, chromosome 7, chromosome 8, chromosome 9, chromosome 10, chromosome 11, chromosome 12, chromosome 17, chromosome 18 and X chromosome.
Where is Submetacentric chromosome found?
Metacentric chromosomes have the centromere located midway between the ends of the chromosome, separating the two arms of the chromosome (Figure 1). Chromosomes with centromeres positioned visibly off-center are called submetacentric.
What are the metacentric chromosomes?
A metacentric chromosome is a chromosome whose centromere is centrally located. As a result, the chromosomal arms (i.e. p and q arms) are almost equal in length. A metacentric chromosome would have the X shape. A chromosome with slightly unequal chromosomal arm length is referred to as submetacentric chromosome.
Which of the human chromosomes are Telocentric?
Mouse chromosomes are defined telocentric chromosomes having no obvious short arm at a cytogenetic level. The Y chromosome contains a short p-arm and can be defined as acrocentric.
What do you mean by Submetacentric?
: having the centromere situated so that one chromosome arm is somewhat shorter than the other.
What are Acrocentric and metacentric chromosomes?
Metacentric: when the two chromosome arms are equal in length. Submetacentric: when the two chromosome arms are unequal in length, e.g. shorter p arms and longer q arms. Acrocentric: when the p (short) arm is too short to observe but is still present.