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How do both meiosis as well as sexual reproduction (fertilization) produce offspring that differ genetically from the parents?
Be sure to talk about stages in meiosis that increase variability as well as the process of fertilization
What is the role of abiotic factors in an ecosystem? In other words, how do they affect food webs? Why is it easier to classify protists by methods of nutrition and movement than by habitat (where they live)? Briefly exp ...
A man and a woman both have polydactyly (i.e., six fingers on each hand), a trait which is determined in this example by a single gene. They have four children, none of whom have polydactyly. What is the probability thei ...
Jerry Coyne proposes a question. At what point are the differences between populations large enough to make us call them different species? please answer question and defend answer.
Two immune system questions: Activated T-helper cells aid in humoral immune responses by releasing cytokines which promote antibody production, phagocytosis, neutralization and apoptosis. Which parts of this statement ar ...
1. "If humans are in the same class as domestic cats we must also be in the same order." True or False? Explain. 2. Explain in your own words how, from an evolutionary standpoint, a desert spring and an island in the oce ...
Transgenic plants can be given characteristics that are agriculturally useful such as resistance to herbicides. Bt corn is one example. Identify some advantages and problems associated with genetically modified Bt corn. ...
Why was there such a diversity of species in such a small area? Could these species have been modified from an ancestral form that arrived on the Galápagos Islands shortly after the islands were formed?
Discussion Board This is only a discussion board, not an essay! please follow all the instructions and answer the questions within the bullet that you chose. "Evolution of Animals and Population of Humans" Note: Online s ...
Does every mutation that causes a nucleotide base change also cause a change in the amino acid sequence of a protein? Explain.
1) Starting with the umbilical vein, list/chart the general flow of blood through the fetus of a pig. 2) What special features of the lung make it a useful organ for gas exchange?
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