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Biology II

Biology II. Chapter 12 Quiz. If you inherited an A allele from your mom and an O allele from your dad, what blood type would you have?. A. Change in a gene due to damage or incorrect copying. mutation. X and Y chromosomes are also known as the ____ chromosomes. sex.

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Biology II

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  1. Biology II Chapter 12 Quiz

  2. If you inherited an A allele from your mom and an O allele from your dad, what blood type would you have? • A

  3. Change in a gene due to damage or incorrect copying • mutation

  4. X and Y chromosomes are also known as the ____ chromosomes • sex

  5. T or F: chromosome maps depict absolute distance between genes on a chromosome • false

  6. A diagram in which several generations and the occurrence of genetic characteristics are shown • pedigree

  7. Name 3 ways you can assess the risks of passing on a genetic order to your children • Analysis of a pedigree • Genetic counseling • Prenatal testing

  8. Name a trait that is controlled by multiple alleles in humans • Blood type

  9. Name 3 possible effects of a mutation • Can be helpful • Can be harmful • Can be neutral

  10. Mutation caused by a piece of DNA breaking away from it chromosome and becoming attached to a nonhumologous chromosome • translocation

  11. What happens when a single nucleotide is deleted? • A frame shift mutation

  12. If you cross a white-eyed female Drosphila and a red-eyed male Drosphila, what proportion of the female will have white eyes and what part of the males will have white eyes? • None and all

  13. What determines the sex of the offspring? • The father

  14. Because the allele for colorblindedness is on the X chromosome, colorblindedness is related to… • sex

  15. If both parents carry the recessive allele that causes cystic fibrosis, what is the chance that their child will develop the disease? • One in four

  16. If a heterozygous red eyed female is crossed with a red-eyed male, how much of the male offspring will have red eyes and how many will have white eyes? • ½ will have red eyes and ½ will have white eyes

  17. What causes a gamete to receive too many or too few copies of a chromosome? • nondisjunction

  18. If you have 47 chromosomes, you have… • Downs Syndrome

  19. Something that is sex-linked occurs most often in _____ • males

  20. If a certain disease occurs equally in males and females and all the children with the disease had parents with the disease, then the disease is… • Autosomal dominant

  21. ABO blood type is NOT a _______ trait. • polygenic

  22. Short sections of DNA that are associated with particular genes and are used to help diagnose genetic disorders • Genetic markers

  23. If a man and woman have the same genotype for a trait, but only one of them shows that trait, it shows that the trait is.. • Sex influenced

  24. How much of the time are two genes that are one map unit apart separated by crossing over? • 1% of the time

  25. In Klinefelter’s Syndrome, the male has the genotype XXY. This is an example of • trisomy

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