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प्रश्न
Write a sentence of the following:
Centromere
उत्तर
Centromere - A constriction in the chromosome is called centromere.
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संबंधित प्रश्न
The term “chromosomes” literally means ______.
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
Chromosomes number is halved in ____________
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Choose the correct answer:
Sex of an individual is determined by ____________
What is the importance of meiosis in creating variations?
Give Reasons for the following
The meiosis is called reductional division
Explain the Term Leptotene
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Multiple Choice Question:
The period between two successive mitotic divisions is
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
In humans, the sex chromosome complement is
The number of chromosomes found in human beings is ______.
Explain the structure of a chromosome.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
Generally, the recessive character is expressed only when present in a double recessive condition i.e. homozygous condition. However, a single recessive gene can express itself in human beings when the gene is present on ______
Small swellings on the surface of the chromosome are called______.
