1 /21BIOD 210 Genetics Final Exam Complete Questions and Answers
1.What is an example of early selective breeding
ANS Domesticated wolves into dog were used for hunting, herding, guarding, retrieving, tracking, and companion.
2.What year did genetics start to change into what we know today? Who proposed this theory? What did this theory entail
ANS 1600s; William Harvey
Proposed epigenesis that was a concept that is now known to have correctly hypothesized that a fertilized human egg undergoes specific developmental events and eventually leads to the formation of a human.
3.Before the theory of epigenesis, what theory was known about genetics?-
ANS: Preformation, in which a fertilized egg contained a tiny version of a
completely developed adult termed homunculus. 2 /214.Who proposed the cell theory? What does this theory entail
ANS Matthias Schleiden and Theodor Schwann proposed that all living organisms were composed of organized structures called cells and that these cells were derived from identical precursor cells.
5.What theory debunked spontaneous generation? What is spontaneous gen- eration
ANS Cell theory
Spontaneous generation states that living things could spontaneously generate from nonliving components.
6.Who published the book The Origin of Species 1859? What did it entail
ANS -
Charles Darwin
Proposed Theory of Natural Selection that more offsprings are produced than an environment can support. The strongest will survive, and adaptive variates lead to evolution.
7.Example of evolution
ANS In a mountain climate, a mountain lion that has the ability to climb well will pass it down to their offspring and/or improve the ability to climb. 3 /21Artic climate with thick fur and/or white to blend in.
Over time, the animals that have these very specialized traits will continue to survive and adapt and even create new species over time.
8.What is an example of evolution within humans that is still seen today
ANS Yes, humans still evolve. For example, the gene that allows up to digest lactose (an enzyme that digests milk). However, a gene variation
exists that allows people to make lactase throughout their lives (usually around the time of domesticated animals and started to milk animals).
9.What is the definition of genetics
ANS the study of heredity
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