General Genetic Principles

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1 - 10 of 108 Answers

May 7, 2018: Is it possible for there to be three phenotypes (and only three) that are equally represented in a species? (Such as for blood types, except A, AB, and O are all equally represented.) Theoretically, what would have to be the conditions to allow for equal representation of three different phenotypes?
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February 5, 2018: I keep reading about recombination. What is it and why does it matter? 
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December 13, 2017: Why do I sometimes see 6 billion base pairs of DNA and sometimes 3 billion base pairs of DNA for the human genome?
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November 16, 2017: Mendel's experiments showed that green is the recessive seed color in pea plants. Why are all the peas we have green today? 
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October 27, 2017: Is there any genetic testing that you can determine whether you are heterozygous or homozygous for eye color, hair color and other traits?
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May 25, 2017: Why do potatoes have more chromosomes than humans?
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April 27, 2017: Our class is doing a project where we try to use dominant and recessive traits to figure out which celebrity we want to have kids with. Can you help me figure out how to do this with Punnett squares?
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April 18, 2017: What does Amino Acid Alteration p.Asp113Asn mean?
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March 29, 2017: Can someone be born with the sickle cell trait from a white mother who has Rh- blood?
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January 10, 2017: If a mutation in a muscle cell in right little finger occurs, does that same mutation occur in the left big toe muscles. When and how?
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1 - 3 de 3 Respuestas

June 4, 2009: Leí en su página de Internet acerca de los ratones que resultaron ser de diferentes colores debido a lo que comió la mamá mientras estaba embarazada. ¿Cómo funciona eso?
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September 1, 2006: El alelo dominante de un rasgo aparece como el fenotipo predominante en la población en general? Por ejemplo, la presencia de los hoyuelos es controlada por un alelo dominante, pero la mayoría de la gente no tiene hoyuelos. Por qué ocurre esto?
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September 30, 2004: Creí haber escuchado a un geneticista decir en la television que el gen del cabello rubio tambien crea ojos azules. Acaso él quiso decir que solo la gente rubia puede tener ojos azules, es esto cierto?
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