State whether the following statements are true or false;
(1) Human nerve cells do not divide after birth.
2)In animal cells, cytokinesis occurs by plate formation.
(iii) in meiosis, chromosomes replicate only once, that is, during interphase prior to meiosis 1.
(iv) Chromosomal ends are known as centromeres.
5)Crossing over is a process in which genes are exchanged between sister chromatids of homologous chromos
(vi)
The pachytene chromosomes are said to be in bivalent condition.
(vii)
The zygotene chromosomes are termed as tetrads.
(vili) In plant cytokinesis, the cell plate grows centripetally.
(ix)
The cells undergoing mitosis are always diploid.
(x)
Chromosome number is the number of each type of chromosome characteristic of a species.
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Answer:
1true
2true
3false
4true
5false
6false
7true
8true
9false
10tru
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