21. DNA Deoxyribonucleic acid
RNA Ribonucleic
acid
Genetics
material
http://www.mun.ca/biology/scarr/iGen3_02-07.html
Ribose is a single-ring pentose [5-C] sugar. The
numbering of the carbon atoms runs clockwise,
following organic chemistry rules.
Note the absence of the hydroxyl (-OH) group on the
22.
23.
24.
25.
26.
27. n =
2n = 46
= homologous
chromosome
-
-
-
Centro
mere
-
28. n monoploid ; haploid number
2n diploid number
3n triploid number
4n tetraploid number
?
29.
30. - Chromatid ;
2
binary fission
- Centromere ;
- Kinetochore
is the protein
structure on
chromatids where the
spindle fibers attach
64. Meiosis
4
1.Interphase I
Interphase mitosis
2.Meiosis I
3.Interphase II
DNA / Interphase I /
Interphase mitosis
4.Meiosis II
Prophase I , Metaphase I,
Anaphase I, Telophase I
Prophase II , Metaphase II,
Anaphase II, Telophase II
>>> Meiosis
65. Meiosis I 4
1. Prophase I
Interphase I
- Synapsis Homologous
chr.
- 1 Bivalent = ….