biohw8 - Genetic drift-The process of change in the genetic...

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Biology 124L Jennifer Moya Sec 139 Homework 8 Genetics 1.) Incomplete dominance -is a form of intermediate inheritance in which one allele for a specific trait is not completely dominant over the other allele. This results in a combined phenotype. Phenotype -is any observable characteristic or trait of an organism Sex-linked -alleles on sex chromosomes are inherited in predictable patterns Single nucleotide polymorphism -A change in which a single base in the DNA differs from the usual base at that position. Abbreviated SNP and pronounced snip Recessive lethal alleles -Will only cause death in the homozygous recessive condition
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Unformatted text preview: Genetic drift-The process of change in the genetic composition of a population due to chance or random events rather than by natural selection, resulting in changes in allele frequencies over time . 2.) In humans free earlobes are more common. You would have a 50/50 chance of having attached earlobes if you had one parent with a homozygous for attached earlobes and one parent with unattached earlobes. 3.)a.) About 1/8 will be smooth and yellow. b.) About 1/8 will be wrinkled and yellow. c.) About 1/8 will be wrinkled and green. d.) About 1/8 will be smooth and green. 4.)female:YYXy male:Xyxx...
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This note was uploaded on 04/04/2012 for the course BIO 124 taught by Professor Caralee during the Spring '08 term at New Mexico.

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