Half of the gametes produced by an organism with the genotype Aa will receive the A allele, while half will receive the a allele. What process produces such results?
A) independent assortment
B) mutation
C) random fertilization
D) segregation
D
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Environmental effects can result in
a. altered metabolic pathways. b. a gene mutating in different ways in different individuals. c. altered genotypes. d. a post-developmental environmental effect. e. altered phenotypes.
Which of the following about the law of segregation is false?
A) It states that each of two alleles for a given trait segregate into different gametes. B) It can be explained by the segregation of homologous chromosomes during meiosis. C) It can account for the 3:1 ratio seen in the F2 generation of Mendel?s crosses. D) It can be used to predict the likelihood of transmission of certain genetic diseases within families. E) It is a method that can be used to determine the number of chromosomes in a plant.
When Robert and John MacArthur investigated the determinants of species diversity for birds, they developed an index of foliage height diversity as a predictive variable. In so doing, which of the following determinants of diversity did they identify as important?
A) productivity B) structural complexity C) climate D) latitude
Staphylococcus aureus is one of the most important human and animal staphylococcal species. It is characterized by ability to produce coagulase.
a. true b. false