Non-disjunction during meiosis can lead to several chromosomal disorders. When can non-disjunction occur? O Telophase I or Telophase II O Cytokinesis O Anaphase II only Anaphase I only Anaphase I or Anaphas e II
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- Anaphase B involves the separation of spindle poles. What forces have been proposed to drive this separation? What underlying molecular mechanisms are thought to provide these forces?Structure P Cell S State the chromosomal number in parent cell and the daughter cells formed. Parent cell: Daughter cell 1: Daughter cell 2:What is the chromosome number of this HeLa cell? (Hint: Chromosome number is different from total chromosome count.)
- Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occursX A cell 2n-6 was undergoing cell division A What type of cell division is shown in the diagram? Meiosis or Mitosis? 05 marks B) What specifc stage of cell division is shown in the dagram Eplin how you can tell? (1.5 markscell type: 9) Label the figure below. Chromosome number: cytokinesis by: division type: А- В- С- D- E- the halves the number of chromosomes, and at the same time, stage. The result is 10) daughter cells event that causes genetic diversity takes place in called (n? 2n?). An organism with two of each kind of chromosome is said to be: (3) tetraploid (1) haploid (2) diploid (4) polyploid. In multicellular organisms, mitosis results in: (1) reproduction (2) growth and repair (3) sperm and egg production (4) fertilization. If an organism produced an egg that had 20 chromosomes, the body cells of that organism should have: (1) 10 chromosomes (2) 20 chromosomes (3) 30 chromosomes (4) 40 chromosomes. 11) is what helps us grow and is why we are all unique! Human female karyotype contains .... (number) pairs autosomal and sex chromosomes. separate to go opposite poles in Anaphase in mitosis, while in Meiosis in AnaphaseI. (how many?) 12) If a diploid parent cell with 8 chromosomes (2n=8)…