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Review

Review. What is the gender of the person on the left?. KSUCommencementTickets.com. What are pedigrees used to show?. What is being represented when an individual has a dot in the middle of their symbol?. What type of inheritance pattern causes males to show a trait more often than females?.

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Review

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  1. Review

  2. What is the gender of the person on the left?

  3. KSUCommencementTickets.com What are pedigrees used to show?

  4. What is being represented when an individual has a dot in the middle of their symbol?

  5. What type of inheritance pattern causes males to show a trait more oftenthan females?

  6. Which parent is responsible for passing an X-link recessive trait to a son?

  7. If a male with red-green colorblindness marries a normal vision female, what are the chancesthat they have a child with red-green colorblindness?

  8. Tay Sachs disease is an autosomal recessive trait. A young couple had their first child affected with Tay Sachs.  What is the risk that their future children will be similarly affected?

  9. What does it mean when a trait is autosomal dominant?

  10. If you cross two heterozygous parents, what is the genotypic ratio of their offspring?

  11. If you cross a heterozygous parent with a homozygous recessive parent, what is percentage of offspring that will show the dominant trait?

  12. If you cross a homozygous dominant parent with a homozygous recessive parent, what percentage of their offspring will be heterozygous?

  13. How many alleles are there in a parent’s genotype for a 2 trait cross?

  14. How many phenotypes are there for a normal 2 trait cross?

  15. If you cross two dihybridparents (AaBb), what is the phenotypic ratio of their offspring?

  16. If you cross a heterozygous parent (AaBb) with a homozygous recessive parent, what is the phonotypic ratio of their offspring?

  17. If RR stands for red flower color, and WW for white, what is the genotype of a pink flower?

  18. A chicken can be black, white, or spotted. Is this an incomplete dominance trait?

  19. Give a definition for co-dominance.

  20. A horse can be Brown, white, and tan. How would you change this example to make horse color a co-dominant trait?

  21. Why is blood type an example of co-dominance?

  22. What is the least amount of alleles that a trait needs to be considered multiple allele?

  23. What are the possible genotypes for a person with type B blood?

  24. Can parents with type A and type B blood have a child with type O blood?

  25. Can parents with type AB and B blood have a child with A blood?

  26. How many blood phenotypes are there?

  27. A male with blood type O marries a female with blood type A (AO). They want to have 8 babies. How many of their children are expected to be blood type A?

  28. How many different gametes can the following parent make?AABb

  29. What is the genotype of the mother shown below? dd

  30. Using “R”, what are two homozygous genotypes a person can have?

  31. If a father is homozygous dominant for a trait, but his child is homozygous recessive for a trait, what must the mother be?

  32. END

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