Advertisements
Advertisements
प्रश्न
Classify the chromosomes on the basis of position of centromere.
Advertisements
उत्तर
Types of Chromosomes :
According to the position of the centromere, chromosomes are classified into following types
Metacentric : If the centromere is situated in the middle of the chromosomes it is called metacentric chromosomes.
Sub-metacentric : If the centromere is situated some distance away from the middle it is called submentacentric chromosomes.
Acrocentric : If the centromere is situated near the end of the chromosomes it is called acrocentric chromosome
Telocentric : If the centromere is situated at the tip of the chromosome it is called telocentric chromosome.
APPEARS IN
संबंधित प्रश्न
If the haploid number in a cell is 18. The double monosomic and trisomic number will be
Mention the name of man-made cereal. How it is formed?
Which of the following is a primary constriction?
During cell division, spindle fibres get attached to the disc shaped structures present on the centromere are known as ______.
Experimental verification of ‘chromosomal theory of inheritance’ was done by ______.
Chromosome maps/genetic maps were first prepared by ______.
During mitosis, chromosomes distribution to the daughter cell is ______.
What do you mean by locus?
Which of the following sentences are correct?
1. The offspring exhibit only parental combinations due to incomplete linkage
2. The linked genes exhibit some crossing over in complete linkage
3. The separation of two linked genes are possible in incomplete linkage
4. Crossing over is absent in complete linkage
In diploid organisms, how many chromosomes from each homologous pair does each gamete receive during meiosis?
