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Genetics Test Review

Genetics Test Review. If the genotype for #3 is rr , then the genotype for #2 must be. RR Rr rr None of the above. A normal human has _____ autosomes and _____sex chromosomes. 48;2 44;2 23;3 22;1. A characteristic that can be passed down to offspring is called a. Meiosis Trait

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Genetics Test Review

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  1. Genetics Test Review

  2. If the genotype for #3 is rr, then the genotype for #2 must be • RR • Rr • rr • None of the above

  3. A normal human has _____ autosomes and _____sex chromosomes • 48;2 • 44;2 • 23;3 • 22;1

  4. A characteristic that can be passed down to offspring is called a • Meiosis • Trait • Disease • Mitosis

  5. An offspring with a genotype containing the same allele from both parents is called • Homozygous • Mongrel • Hybrid • Heterozygous

  6. Different forms of a gene, for example, Y=yellow, y= green are called • Homozygous • Diploid • Chromosomes • Alleles

  7. The form of the gene that is expressed fully (the stronger gene) when two different alleles are present, is called • Dominant • Recessive • Weaker • Survival of the fittest

  8. CATCATCAT CATCCTCATThe mutation above represents a single base change and is called a ____________ mutation. Substitution Deletion Insertion Replication

  9. An offspring with a genotype containing a different allele from both parents is called • Homeostasis • Purebred • Hybrid • Homosapien

  10. If Red eyes are dominant over White eyes, and Pointed wings are dominant over Round wings. Which below is the correct genotype for a fly with White eyes and Pointed wings? • RRPP • rrPp • Rrpp • rRpP

  11. A black rabbit with genotype Bb is crossed with another black rabbit with genotype Bb. The genotypes of the offspring would be • 1:BB, 2:Bb, 1:bb • 1:Black, 2:Brown, 1:white • 3:Bb, 1:bb • 3:Black, 1:white

  12. A Red flower with genotype Rr is crossed with a white flower with genotype rr. The phenotypes of the offspring would be • 1:Rr, 2:rr, 1:RR • 1:Red, 2:White, 1:Both Red & White • 2:Red, 2:White • 2:Rr, 2:rr

  13. The parents of these offspring have the genotypes TT Tt • Tt, Tt • TT, Tt • tt, TT • tT, tT TT Tt

  14. A genotype of Yy would be called • Homozygous or Purebred • Heterozygous or Hybrid • Yellow • Green

  15. DihybridPunnett squares are used to predict • A single trait in offspring • Two traits in offspring • Three traits in offspring • The number of offspring

  16. If a male (Tt), mates with a female (Tt), what percentage of offspring will be homozygous recessive? • 0% • 25% • 50% • 75%

  17. A father has a genotype of GGHh. The alleles for the Punnett square would be • GH Gh GH Gh • Gh GH GH gh • GH Gh GH GH • GH Gh gh Gh

  18. Blood types are determined by a protein on the cell’s surface (A, B, or O [no protein]). If given the wrong blood type in a transfusion, a person could die. A person with blood type A could receive which blood types? • A or O • A, B or O • B or O • A or AB

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