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प्रश्न
Give the importance of heterocyst in cyanobateria.
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उत्तर
In cyanobacteria, heterocyst is specialized and colourless cells and are the site for nitrogen fixation.
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संबंधित प्रश्न
If only one 'X' chromosome is found in a female person, which of the following symptoms she will show?
- epicanthal skin fold
- webbing of neck
- small testis and absence of spermatogenesis
- presence of simian crease on the palm
Give any 'two' names of X-linked diseases
Identify the option that correctly represents the number of chromosomes in Down syndrome.
Conditions of a karyotype 2n ± 1 and 2n ± 2 are called ______.
The person with Turner’s syndrome has ______.
A person with 47 chromosomes due to an additional Y-chromosome suffers from a condition called ______.
Mongolism is a genetic disorder which is caused by the presence of an extra chromosome number ______.
The practice of analyzing inheritance patterns in human beings is called ______
Describe Turner's syndrome.
Trisomy of 21st chromosome leads to a disorder ______.
