16-33 multiple choice Flashcards
What is the main cause of genetic diversity within a population?
Mutation
In human genetics, what is the male-determining sex chromosome?
Y chromosome
What is the function of restriction enzymes in genetic engineering?
To cut DNA at specific sequences
What is a genotype?
The genetic constitution of an organism
What is the central dogma of molecular biology?
DNA -> RNA -> Protein
Which of the following is NOT a component of the Theory of Evolution by Natural Selection?
Inheritance of acquired characteristics
A structure that seems to serve no purpose in an organism is called:
Vestigial
In science, theories are:
The best explanation for a set of data or observations
A group of mice becomes separated by the formation of a river. Over time, the northern mice became smaller and whiter, while the southern mice became larger and browner. This is an example of:
Divergence
Lamarck is to “Inheritance of Acquired Characteristics” as Darwin is to:
Evolution by natural selection
Any variation that can help an organism survive in its environment is called a(n):
Adaptation
The strongest evidence for change over a long period of time comes from:
Fossils
The dog breeds we have today been developed through:
Artificial selection (selective breeding)
The finches on the Galapagos island were similar in form except for variations of their beaks. Darwin observed that these variations were useful for:
Gathering food
What is the process by which new species are formed?
Speciation
Who is known as the Father of Evolution?
Charles Darwin
Which term describes the remnants of organs or structures that had a function in an early ancestor?
Vestigial Structures
Which of the following provides evidence for evolution?
Adaptive Radiation