Advertisements
Advertisements
Question
What is the importance of meiosis?
Solution
he meiosis is important to maintain the constant number of chromosomes in a species. It also brings about variations which result in the evolution or origin of new species
APPEARS IN
RELATED QUESTIONS
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Choose the correct answer:
Centromere is related to _______________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Chromosomes are thin and thread like at __________
Choose the correct answer:
Chromosomes largely consist of _______________
What is the importance of meiosis in creating variations?
Name the following:
The part of the cell associated with heredity.
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Complete the following sentence with appropriate word :
Polytene chromosomes are found in _________ of fly larvae.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
Duplicated chromosomes are joined at a point termed ______.
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Multiple Choice Question
Chromosomal aberrations are caused by:
The region of the chromosome where the spindle fibres get attached during cell division ______
The centromere is found at the centre of the ______ chromosome.
Distinguish between the following pair:
Karyotype and Karyokinesis