Exam (elaborations)
ZOL2602 ASSIGNMENT 1 SEMESTER 2 2023
- Institution
- University Of South Africa (Unisa)
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ZOL2602ASSIGNMENT 1
SEMESTER 2
2023
[Document subtitle]
[DATE]
[COMPANY NAME]
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, ZOL2602 ASSIGNMENT 1 SEMESTER 2 2023
QUESTION 1 [10]
1.1 Define the terms cytogenetics and embryology. (2)
Cytogenetics is a branch of genetics that specifically focuses on the study of
chromosomes. Chromosomes are structures within cells that contain DNA, the
genetic material of an organism. Cytogeneticists analyze the number, structure, and
behavior of chromosomes to understand how genes are inherited and expressed.
They use various techniques like karyotyping, fluorescence in situ hybridization
(FISH), and microarray analysis to examine chromosomes for abnormalities, such
as aneuploidy (abnormal chromosome number) or chromosomal rearrangements.
On the other hand, embryology is the study of the development of embryos from
fertilization to the formation of a complete organism. It encompasses the processes
of cell division, cell differentiation, tissue formation, and organogenesis.
Embryologists investigate the molecular, cellular, and environmental factors that
influence embryonic development. They seek to understand the genetic and
epigenetic mechanisms that guide the specialization of cells and their spatial
organization to create complex multicellular structures.
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