How many chromosome number are seen in Onion and Housefly during meiosis ?

Related MCQs

• A. During meiosis, the genetic material is replicated twice whereas the cell divides one. R. Meiosis takes place in plants and animals during the formation of reproductive cells.
• Match the following : Coulmn-I Coulmn-II (A) Prophase-I (i) Chromosomes move toward one plane along with centromere. (B) Metaphase-II (ii) Half the number of chromosomes in seen (C) Anaphase-I (iii) Longest phase of meiosis-I (D) Telophase-I (iv) Two nuclei are seen
• Which of the following statement is/are correct for Meiosis-II ? (i) Chromosomes are arranged on equatorial plate in prophase-II (ii) Nucleolus disappear during telophase-II (iii) In anaphase-II, the chromatids with their independent centromeres are called chromosomes. (iv) In metaphase-II, centromere of each chromosome becomes attached to filament of bipolar spindle.
• During meiosis crossing over occurs between which part of homologous chromosome ?
• If you are provided with root-tips of onion in your class and are asked to count the chromosome, which of the following stage can you most conviently look into
• Match the following using salient features of Human genome project A B (P) Less than 2 % genome (i) 3 billion nucleotide bases (Q) Chromosome 1 (ii) 231 genes (R) Y chromosome (iii) 2968 genes (S) Human genome (iv) codes for protein
• Name the abnormality seen in chromosome number - 2
• For the statement ‘X’ and statement ‘Y’ which of the following option is correct ? Statement – ‘X’ :During meiosis the genetic material is replicated once. Statement – ‘Y’ : Genetic material is not replicated during interkinesis.
• How many time is the genetic material replicated during meiosis ?
• If there are four chromosomes present during prophase – I, how many chromosome are there in each cell at the end of anaphase - II