14 Questions
What was the significance of T.H. Morgan's work in genetic mapping?
He developed genetic maps based on relative gene positions
Which event in the 1940s led to the combining of Mendelian genetics, Darwinism, and population genetics?
Modern synthesis
What is the primary function of mutations in the context of evolution?
To introduce genetic variability
How did Janssen contribute to our understanding of genetic variability?
By describing meiotic crossing over between chromosomes
What did Rudolf Virchow contribute to cytogenetics?
He introduced the concept of invisible factors determining organism traits
What key concept of Mendel's first law involves the phenotype of a cross being intermediate?
Incomplete dominance
Which statement best summarizes Mendel's second law of independent segregation?
Genes segregate independently during gamete formation
What conclusion did Mendel draw regarding the appearance and genetic composition of individuals?
Genetic composition determines appearance
Which ancient Greek philosopher proposed the theory of preformation, suggesting that the embryo in its entirety already exists in the semen?
Anaxagoras
Karl Ernst von Baer developed four rules about embryonic development. One of the rules states that:
The more general characters of a large group appear earlier in the embryo than the more special characters.
Who is best known for the discovery and explanation of the structure of the chick germ layers?
Christian Heinrich Pander
Which scientist theorized about the inheritance of acquired characteristics?
Hippocrates
According to Aristotle, genetic material is only provided by which gender of individuals?
Males
Who conducted groundbreaking work on chicken embryos?
Christian Heinrich Pander
This quiz covers the basics of genetics in plant and animal breeding, focusing on biotechnology and molecular genetics concepts. Learn about state-of-the-art techniques and their applications in plants and livestock breeding.
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