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प्रश्न
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
उत्तर
Sutton and Boveri - They described chromosomes as physical structures and transmitters of hereditary traits.
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संबंधित प्रश्न
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
State the exact location of the Centromere
Name the sex chromosomes in human males and females
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong
Centrosome.Cell wall, Cell membrane, Large vacuoles
Chromosomes are mainly made up of ______.
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?
How does colchicine act as mitotic poison? Is there any advantage of it?
Give Reasons for the following
Chromosomes are the carriers of heredity.
Name the following:
Pair of genes responsible for a particular characteristic.
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
Write the functional activity of the following structure:
Chromosomes
In humans, the sex chromosome complement is
The centromere is found at the centre of the ______ chromosome.
The number of chromosomes found in human beings is ______.
The thin thread-like structures found in the nucleus of each cell are called ______.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
Explain the structure of a chromosome.
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
In the human male, a sperm contains autosomes and ______.
