The geneticist Theodosis Dobzhansky famously wrote that "nothing makes sense in biology except in the light of _________".
Fill in the blank(s) with correct word
Answer: evolution
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True or false: The same strand in a DNA double helix is used as the template strand for transcription of every gene in a given chromosome
A. true B. false
The process by which new species are created from old species is achieved through which of the following?
a. energy consumption b. evolution c. thermoregulation d. mutations
Bat-pollinated, night-blooming flowers would most likely display which two characteristics?
a. blue petals and sticky pollen grains b. yellow petals and the scent of rotting flesh c. orange petals and no scent d. white petals and a strongly sweet scent e. red petals and sticky pollen grains
Which of the following statements regarding mitosis and meiosis is false?
A) In animals, meiosis only occurs in the ovaries and testes. B) All sexual life cycles involve an alternation of diploid and haploid stages. C) Mitosis produces daughter cells with half the number of chromosomes as the parent cell. D) A normal human zygote has 46 chromosomes.