Entries by Daphne Hanson

What did Darwin’s studies of Vestigial Organs and Atavisms tell him about the process of evolution?

What did Darwin’s studies of Vestigial Organs and Atavisms tell him about the process of evolution? Question 5 options: The appearance of such structures indicates that mutations have a strong impact on our evolution. Mutants are real and not just a product of science fiction writing. Atavisms and vestigial organs did not strongly contribute to […]

Several genes that influence the size of the Drosophila wing were investigated to try to determine their genetic relationship, including Yorkie (yki), warts (was), fat (ft) and dachs (d)

Several genes that influence the size of the Drosophila wing were investigated to try to determine their genetic relationship, including Yorkie (yki), warts (was), fat (ft) and dachs (d). The wild-type allele of each gene is dominant and obviously is required to regulate growth to get a normal-sized wing. Homozygous mutants in these genes have […]

Which of the following does NOT describe a process involved in the transmission of information by the nervous system?

Which of the following does NOT describe a process involved in the transmission of information by the nervous system?   Dendrites of neurons receive signals from the axons of other neurons. Motor neurons send signals to muscle cells to produce muscle contractions. Neurotransmitters transfer information across synapses between neurons. Sensory neurons carry impulses from the […]