Chapter 11
Biology: Life on Earth with Physiology · 6 exercises
Problem 1
Define the following terms: gene, allele, dominant, recessive, true-breeding, homozygous, heterozygous, cross-fertilization, and self-fertilization.
9 step solution
Problem 2
Explain why genes located on the same chromosome are said to be linked. Why do alleles of linked genes sometimes separate during meiosis?
5 step solution
Problem 3
Explain the terms incomplete dominance, codominance and multiple alleles. What is the result of differences in inheritance patterns of traits?
5 step solution
Problem 4
What is sex linkage? In mammals, which sex would be most likely to show recessive sex-linked traits?
3 step solution
Problem 5
What is the difference between a phenotype and a genotype? Does knowledge of an organism's phenotype always allow you to determine the genotype? What type of experiment would you perform to determine the genotype of a phenotypically dominant individual?
4 step solution
Problem 6
What is a pedigree? How are pedigrees for dominant and recessive traits represented?
4 step solution