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प्रश्न
उत्तर
The chromosomes other than sex chromosomes present in the human body are called autosomes.
22 pairs of autosomes are present in man.
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संबंधित प्रश्न
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
Give appropriate biological or technical terms for the following :
The condition in which a pair of chromosomes carries similar alleles of a particular character.
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
Choose the correct answer:
In an interphase cell chromosome are as _____________
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
(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.
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Give Technical Terms
The phase of meiosis at which homologous chromosomes are separated.
Name the following:
The number of chromosomes present in human gametes.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
Very Short Answer Question.
What is allosome?
The loss of one or more chromosomes in ploidy 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?
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
Identify the TRUE statements with respect to aneuploidy.
- When the chromosome number is not the exact multiple of the haploid set, it is described as aneuploidy.
- Aneuploidy is only addition of one or more chromosome(s) to the total number of chromosomes in a cell.
- Aneuploidy is further classified as hypoploidy and hyperploidy.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
