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Genetics Review

Genetics Review. Gregor Mendel is known as: A. Father of Biology B. Father of Genetics C. Father of DNA D. Father of Science. B. Father of Genetics. Mendel conducted experiments on: A. Flowers B. Fruit Flies C. Pea Plants D. Worms. C. Pea Plants.

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Genetics Review

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  1. Genetics Review

  2. Gregor Mendel is known as:A. Father of BiologyB. Father of GeneticsC. Father of DNAD. Father of Science B. Father of Genetics

  3. Mendel conducted experiments on:A. FlowersB. Fruit FliesC. Pea PlantsD. Worms C. Pea Plants

  4. Mendel’s experiments looked at _______ generations.A. 1B. 2C. 3D. 4 C. 3 generations (P, F1, F2)

  5. What is heredity?A. Passing on of characteristics to offspringB. Cell divisionC. Genetic CrossD. Genetic disease A. Passing on of characteristics to offspring

  6. What is genetics?A. Study of lifeB. Study of DNAC. Study of chromosomesD. Study of heredity D. Study of heredity

  7. What are traits?A. Inherited characteristics B. Represented by allelesC. Controlled by genesD. All of the above D. All of the above

  8. A section on a chromosome that controls a specific trait:A. Crossing over B. GeneC. NucleusD. All of the above B. Gene

  9. An alternate form of a geneA. DNAB. GameteC. AlleleD. Chromosome C. Allele

  10. This trait can “dominate” or mask another allele.A. Recessive TraitB. Dominant TraitC. GeneD. Allele B. Dominant Trait

  11. This trait is represented by CAPITAL LETTERSA. Recessive TraitB. Dominant TraitC. GeneD. Allele B. Dominant Trait

  12. This trait is represented by lowercase lettersA. Recessive TraitB. Dominant TraitC. GeneD. Allele A. Recessive Trait

  13. This trait always gets masked (dominated) in a heterozygous hybridA. Recessive TraitB. Dominant TraitC. GeneD. Allele A. Recessive Trait

  14. What does genotype mean?A. Appearance B. DNA sequenceC. Gene combinationD. A type of font C. Gene combination

  15. What does phenotype mean?A. Appearance B. DNA sequenceC. Gene combinationD. A type of font A. Appearance

  16. The gene AA is an example of:A. Homozygous recessiveB. Homozygous dominant C. HeterozygousD. None of the above B. Homozygous Dominant

  17. A person who is heterozygous (Aa) is also known as a ________. A. CarrierB. Multiple allelesC. Incomplete dominanceD. Zombie A. Carrier

  18. A person who is heterozygous (Aa) is also known as a ________. A. CarrierB. Multiple allelesC. Incomplete dominanceD. Zombie A. Carrier

  19. What genotype is only represented by a recessive trait?A. AAB. AaC. aaD. None of the above C. aa genotype

  20. What genetic cross only uses one trait?A. Monohybrid CossB. Dihybrid CrossC. Incomplete dominance D. None of the above A. Monohybrid cross

  21. What genetic cross uses two or more traits?A. Monohybrid CossB. Dihybrid CrossC. Incomplete dominance D. None of the above B. DihybridCross

  22. Two Heterozygous red flowers are crossed (white is recessive).What are the genotypes of the parents being crossed?A. RRB. RwC. ww B. Rw

  23. Two Heterozygous red flowers are crossed (white is recessive).What are the genotypes of the offspring?A. RR, RwB. RR, wwC. RR, Rw, wwD. All Pink C. RR, Rw, ww

  24. Two Heterozygous red flowers are crossed (white is recessive).What proportion of offspring are white?A. 1/4B. 2/4C. 3/4D. 4/4 A. 1/4

  25. Dark hair is dominant to light hair and Brown eyes are dominant to blue eyes. A male that is heterozygous for both traits is crossed with a female that is heterozygous for Dark hair and blue-eyed. What are the genotypes of the parents being crossed?A. DDbb x ddbbB. DDBb x DdbbC. DdBb x DDbbD. DdBb x Ddbb D. DdBb x Ddbb

  26. Dark hair is dominant to light hair and Brown eyes are dominant to blue eyes. A male that is heterozygous for both traits is crossed with a female that is heterozygous for Dark hair and blue-eyed. In a cross of DdBb x Ddbb, what are the possible genetic combinations of parent #1. (Hint: Foil)A. DB, Db, dB, dbB. DB, dBC. DdBbD. DD, Bb, dd A. DB, Db, dB, db

  27. Dark hair is dominant to light hair and Brown eyes are dominant to blue eyes. A male that is heterozygous for both traits is crossed with a female that is heterozygous for Dark hair and blue-eyed.What proportion of offspring will have a phenotype of dark hair and blue eyes?A. 1/4B. 1/8C. 2/8D. 3/8 D. 3/8

  28. What is the law of segregation?A. The formation of genesB. Each gene has two alleles that are separated (segregated) when gametes formC. Genes from different traits are inherited independentlyD. Defines DNA B. Each gene has two alleles that are separated when gametes are formed

  29. What is the law of independent assortment?A. The formation of genesB. Each gene has two alleles that are separated (segregated) when gametes formC. Genes from different traits are inherited independentlyD. Defines DNA C. Genes from different traits are inherited independently

  30. What are multiple alleles?A. More than one alleleB. Two allelesC. Three or more allelesD. All of the above C. Three or more alleles

  31. What is Incomplete Dominance?A. Results in a phenotype that is the mixing of the two alleles.B. Results in a phenotype that expresses both alleles equallyC. Both A and BD. None of the above A. Results in a phenotype that is the mixing of the two allels.

  32. What is Codominance?A. Results in a phenotype that is the mixing of the two alleles.B. Results in a phenotype that expresses both alleles equallyC. Both A and BD. None of the above B. Results in a phenotype that expresses both alleles equally

  33. A cross between a purebred animal with red hairs and a purebred animal with white hairs produces an animal that has both red hairs and white hairs.Is this incomplete dominance or codominance? Codominance- traits are equal What are the genotypes for the parents? RW What is the phenotype ratio of the offspring? ¼: Red 2/4: Red and white patches ¼: White

  34. A cross between a purebred animal with red hairs and a purebred animal with white hairs produces an animal that is pink.Is this incomplete dominance or codominance? Incomplete Dominance- Traits are mixed What are the genotypes for the parents? RR’ What is the phenotype ratio of the offspring? All Pink: 4/4

  35. How many alleles found in blood type?A. 1B. 2C. 3D. 4 C. 3- A, B, O

  36. Which blood type alleles are dominant?A. AB. BC. OD. Both A and B D. Both A and B

  37. What are the possible genotypes for Type A Blood?A. AA, AaB. IAIAC. IAIA , IAiD. IAIB C. IAIA , IAi

  38. A cross between a heterozygous Type A person and a heterozygous Type B personWhat is the genotype of each parent? IAi x IBi What proportion of offspring is Type B blood? Type B blood: 1/4

  39. What is a sex-linked trait?A. Traits found on all chromosomesB. Traits only found on the X or Y sex chromosomesC. Traits that determine genderD. None of the above? B. Traits only found on the X or Y sex chromosomes

  40. Which gender can be a carrier to a disease causing allele located on the x chromosome?A. Women (XX)B. Men (XY)C. They are both carriersD. None are carriers A. Women: XXd , women have the advantage of having an additional X chromosome to save them from the disease. This allows them to be normal, but carry the second disease causing allele

  41. Hemophilia is a genetically recessive disease on the X- Chromosome. A cross between a heterozygous woman and a heterozygous Type B personIf a carrier female and a normal male have children, what proportion of them will have the disease? Disease: 1/4

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