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प्रश्न
Explain the Term Spindle
उत्तर
Spindle: A fanlike micròthbule structure that helps separate the chromosomes.
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संबंधित प्रश्न
The Chromatin material is formed forms of ______.
The term “chromosomes” literally means ______.
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Write a sentence of the following:
Telomere
Choose the correct answer:
Sex of an individual is determined by ____________
Enumerate the various changes that occur in the nucleus of the cell during prophase.
What is the importance of meiosis in creating variations?
Explain the Term Zygotene
Name the following:
Microtubules form the bipolar spindle in which stage.
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Long answer type question.
Describe the different types of chromosomes.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
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.
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 ______
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
After a mitotic cell division, a human female cell will have ______.
The female gamete/egg cell of a human cell will have ______.
