Advertisements
Advertisements
प्रश्न
After a mitotic cell division, a human female cell will have ______.
पर्याय
22 + X chromosomes
44 + XY chromosomes
44 + XX chromosomes
22 + XX chromosomes
Advertisements
उत्तर
After a mitotic cell division, a human female cell will have 44 + XX chromosomes.
Explanation:
Each human female cell includes 44 autosomes (non-sex chromosomes) and two X-chromosomes. Mitosis produces genetically identical daughter cells, which have the same chromosomal content as the original cell: 44 autosomes and two X-sex chromosomes.
संबंधित प्रश्न
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Chromosomes are mainly made up of ______.
Choose the correct answer:
Chromosomes appear at equator in ____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
Choose the correct answer:
Chromosomes largely consist of _______________
Choose the correct answer:
Chromosome number of man is _____________
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Identify the stages of meiosven below and label them.
Explain the Term Centrioles
Explain the Term Chromosomes
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
State the Location: Polytene chromosome
The loss of one or more chromosomes in ploidy 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.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
