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प्रश्न
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
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उत्तर
Waldeyer - Coined the term 'chromosomes'.
APPEARS IN
संबंधित प्रश्न
State the exact location of the Centromere
What are genes?
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
Chromosomes are mainly made up of ______.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Write a sentence of the following:
Centromere
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
(i) Draw a neat labeled diagram to show the metaphase stage of mitosis in an animal cell having ‘6’ chromosome.
(ii) How many daughter cells are formed at the end of mitosis and at the end of meiosis?
(iii) With reference to cell division explain the following terms:
(Chromatid, Centromere, Haploid).
(iv) Name the type of cell division that occurs during:
1. Growth of shoot 2. Formation of pollen grains.
3. Repair of worn out tissues.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes are the thickest and shortest in telophase.
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Name the following:
Pair of genes responsible for a particular characteristic.
Write the functional activity of the following structure:
Chromosomes
Define euploidy.
Explain the structure of chromosomes with labelled diagram.
The centromere is found at the centre of the ______ chromosome.
The loss of one or more chromosomes in ploidy is called ______.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
The sex of the newborn child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
Rewrite the correct form of the statement by changing the first or last word only:
Duplicated chromosomes remain attached at a point termed as centrosome.
