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Exam (elaborations)

ZOL2602 ASSIGNMENT 1 SEMESTER 2 2023

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  • August 2, 2023
  • 10
  • 2023/2024
  • Exam (elaborations)
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ZOL2602
ASSIGNMENT 1
SEMESTER 2
2023
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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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