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Honors Biology: Genetics Quiz 1 _____8. Alternate forms of a gene having the same position on a pair of chromosomes and affecting the same trait are called ______. A) phenotypes B) alleles C) DNA D) mutations E) genotypes _____9. A capital letter indicates a/an ______ allele. A) inferior B) dominant C) superior D) recessive E) mutant _____10. A recessive allele is expressed if there is no dominant allele present. A) True B) False _____11. ______ means that the two members of the allele pair are the same. A) Homozygous B) Heterozygous C) Codominant D) Dominant E) Recessive _____12. ______ means that the alleles in the genotype are different. A) Recessive B) Homozygous C) Allelopathic D) Codominant E) Heterozygous _____13. The physical characteristic of the individual is called the phenotype. A) True B) False _____14. The members of each allele pair separate during _________. A) meiosis B) mitosis C) either meiosis or mitosis D) fertilization E) hybridization _____15. The members of each allele pair come together (one from each parent) during _________. A) meiosis B) mitosis C) either meiosis or mitosis D) fertilization E) hybridization _____16. If a child has a dominant characteristic, neither parent has to have the characteristic. A) True B) False _____ 17. What is the correct sequence for trait expression? A) RNA DNA Trait Protein B) RNA Protein Trait DNA C) Trait Protein RNA DNA D) DNA RNA Protein Trait _____ 18. In sheep, white fur is dominant to black fur. If two white sheep produce a black offspring, the parent’s genotypes for color must be: A) Heterozygous. B) Homozygous white. C) Homozygous black. D) White _____19. Different versions of a gene are called _____ and are ____________. A) Alleles; segregated from each parent B) Alleles; independently sorted C) Alleles; dominant/recessive D) All of the above _____20. The ____ refers to the allele combinations for particular genes while the ____ is the expression of that allele combination. A) phenotype; karyotype B) phenotype; genotype C) genotype; phenotype D) genotype; karyotype