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- 1. Multiple ChoiceA homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?100% BB75% BB and 25%Bb50 % BB and 50% Bb50% Bb and 50% bb
- 2. Multiple Choice
Genotype refers to the ...physical expression of the genesthe possible combination of alleles in a genewhether an allele is dominant or recessivehow an organism will appear - 3. Multiple ChoiceSquidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?PurebredHybrid
- 4. Multiple ChoiceAn offspring will receive how many alleles from each parent to determine a specific trait?onetwothreefive
- 5. Multiple ChoiceWhich of the following is a phenotype?BBBbbbBlue eyes
- 6. Multiple ChoiceOne form of a gene is called_______________a DNAa Phenotypea traitan allele
- 7. Multiple ChoiceWhich of the following will only show if two alleles are present?a dominant traita recessive trait
- 8. Multiple ChoiceWhich of the following genotypes would be considered heterozygous?BBggFfTT
- 9. Multiple ChoiceWhat is the percentage of offspring that have green pods?100%75%50%25%
- 10. Multiple ChoiceWhat is the phenotype of the heterozygous parent in the punnett square?greenyellowhybridpurebred
- 11. Multiple ChoiceWhat is a phenotype?The expression of a trait; physical appearance.refers to the genetic makeup of an individualAn organism that has the same genes for a trait (ex. TT or tt)the passing of traits from parent to offspring
- 12. Multiple ChoiceWhat does heterozygous mean?An organism that has the same genes for a trait (TT or tt)An organism that has different genes for a trait (Tt)When neither gene is fully dominant; offspring is a mixture of boththe different forms of a trait (hair color--> brown, blonde, red
- 13. Multiple ChoiceTwo heterozygous (Tt)tall pea plants are crossed. Which describes their offspring?50% tall and 50% short75%tall and 25% short100%short
- 14. Multiple ChoiceR=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?offspring will be Rroffspring will be RRround seeds will be recessive to wrinkledWrinkled will be observed in half of offspring - 15. Multiple ChoiceW=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?none3/41/2all - 16. Multiple ChoiceWhich of the following alleles is homozygous recessive?TtttTTT
- 17. Multiple ChoiceTwo brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?0 %25%50%75%
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