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Cytogenetics: Basic Concepts and History

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Cytogenetics: Basic Concepts and History

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Questions and Answers

Who is credited with the first illustrations of human chromosomes?

Walter Flemming (correct)

Watson and Crick

Gregor Mendel

Schleiden and Schwann

What does the Greek word 'chromosome' mean?

Colored body (correct)

Cell division

Genetic material

Nucleus

Who proposed the 'Chromosome theory of inheritance'?

Walter Sutton (correct)

Y.H.

Morgan, Sturtevant, Muller, Bridges

Schleiden and Schwann

Which event in the timeline involved the discovery that genes consist of DNA?

DNA as the material basis by Avery, MacLeod, McCarty Signup and view all the answers

Who were the individuals that described the first chromosomal aberrations in humans?

Lejeune, Gautier, Turpin Signup and view all the answers

What discipline did Walter Sutton combine to form cytogenetics?

Cytology and genetics Signup and view all the answers

What is the most common type of chromosomal abnormality?

Aneuploidy Signup and view all the answers

Which genetic technology helps with fertility and prevents genetic problems?

In vitro fertilization (IVF) Signup and view all the answers

What is the main focus of conservation genetics?

Reducing species extinction risk Signup and view all the answers

In a eukaryotic cell, what structure separates the genetic material copies during cell division?

Chromatids Signup and view all the answers

What is the basic difference between prokaryotic and eukaryotic cells in terms of genetic material?

Prokaryotic cells have a single, circular chromosome, while eukaryotic cells have multiple linear chromosomes. Signup and view all the answers

What is the purpose of mitosis and meiosis in eukaryotic cell reproduction?

To ensure complete transfer of genetic information to new cells Signup and view all the answers