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Questions and Answers
What was the significance of T.H. Morgan's work in genetic mapping?
What was the significance of T.H. Morgan's work in genetic mapping?
- He proposed the theory of meiotic crossing over
- He introduced the concept of positive mutations driving evolution
- He developed genetic maps based on relative gene positions (correct)
- He discovered the process of synapsis during meiosis
Which event in the 1940s led to the combining of Mendelian genetics, Darwinism, and population genetics?
Which event in the 1940s led to the combining of Mendelian genetics, Darwinism, and population genetics?
- Three-factor crosses to determine gene distance
- Modern synthesis (correct)
- Introduction of positive mutations as drivers of evolution
- Discovery of meiotic crossing over
What is the primary function of mutations in the context of evolution?
What is the primary function of mutations in the context of evolution?
- To disrupt the process of synapsis
- To prevent meiotic crossing over
- To maintain stable gene positions
- To introduce genetic variability (correct)
How did Janssen contribute to our understanding of genetic variability?
How did Janssen contribute to our understanding of genetic variability?
What did Rudolf Virchow contribute to cytogenetics?
What did Rudolf Virchow contribute to cytogenetics?
What key concept of Mendel's first law involves the phenotype of a cross being intermediate?
What key concept of Mendel's first law involves the phenotype of a cross being intermediate?
Which statement best summarizes Mendel's second law of independent segregation?
Which statement best summarizes Mendel's second law of independent segregation?
What conclusion did Mendel draw regarding the appearance and genetic composition of individuals?
What conclusion did Mendel draw regarding the appearance and genetic composition of individuals?
Which ancient Greek philosopher proposed the theory of preformation, suggesting that the embryo in its entirety already exists in the semen?
Which ancient Greek philosopher proposed the theory of preformation, suggesting that the embryo in its entirety already exists in the semen?
Karl Ernst von Baer developed four rules about embryonic development. One of the rules states that:
Karl Ernst von Baer developed four rules about embryonic development. One of the rules states that:
Who is best known for the discovery and explanation of the structure of the chick germ layers?
Who is best known for the discovery and explanation of the structure of the chick germ layers?
Which scientist theorized about the inheritance of acquired characteristics?
Which scientist theorized about the inheritance of acquired characteristics?
According to Aristotle, genetic material is only provided by which gender of individuals?
According to Aristotle, genetic material is only provided by which gender of individuals?
Who conducted groundbreaking work on chicken embryos?
Who conducted groundbreaking work on chicken embryos?
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