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- 1. Multiple ChoiceComplex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.DNAproteinRNAglucose nucleic acid (GNA)
- 2. Multiple ChoiceHow many alleles (letters) do each person carry for a trait?1234
- 3. Multiple ChoiceHow many alleles (letters) does a child get from each parent for each trait?1234
- 4. Multiple ChoiceDominant alleles are represented by a:Male genelowercase letterrecessive traitcapital letter
- 5. Multiple ChoiceAa, DD, bB, yy are all examples ofgenotypesphenotypes
- 6. Multiple ChoiceIn a heterozygous genotype, the ___________ allele takes over in the phenotype.recessivedominantlower case letterboth
- 7. Multiple ChoiceWhich of the following genotypes is heterozygous?BbBBbbB
- 8. Multiple Choice
What you see, or the physical appearance.GenotypePhenotypeHomozygousHeterozygous - 9. Multiple ChoiceT - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 10. Multiple ChoiceB = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.they have same phenotype and genotypethey have different genotypes and phenotypesthey have same phenotype but different genotypesthey have same genotype but different phenotypes - 11. Multiple ChoiceWhich of the following form of inheritance is considered a "mix or blending" of homozygous phenotypes?CodominanceIncomplete dominanceComplete DominanceSex-Linked Traits
- 12. Multiple ChoiceAA and Aa always show up asdominantrecessive
- 13. Multiple Choiceaa always shows up asdominantrecessive
- 14. Multiple ChoiceIf you complete a dihybrid cross when both parents are heterozygous for BOTH traits, what is the typical phenotype ratio?9:3:3:110:2:4:11:1:1:14:4:4:4
- 15. Multiple ChoiceAa ishomozygousheterozygous
- 16. Multiple ChoiceWhich of the following is a phenotype?Aared hairheterozygousDNA
- 17. Multiple ChoiceWhat ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?0 in 41 in 42 in 44 in 4
- 18. Multiple ChoiceWhich of the following genotypes is homozygous dominant?AAaAAaa
- 19. Multiple ChoiceWhich of the following is homozygous dominant?YyYyyYY
- 20. Multiple ChoiceWhich of the following is homozygous recessive?TtttTTT
- 21. Multiple ChoiceIn a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?rrRRRRR or Rr
- 22. Multiple ChoiceWhich of the characteristics is a lion least likely to pass on to its offspring?fur colorlength of tailscars on legbody size
- 23. Multiple ChoiceIn a pedigree, what shape represents a male?circlesquaretrianglediamond
- 24. Multiple ChoiceWhat type of heredity is shown in the pedigree?
(hint: check your notes - "modes of inheritance")Sex-Linked DominantSex-Linked RecessiveAutosomal DominantAutosomal Recessive - 25. Multiple ChoiceWhat gender has an X and a Y chromosome?malefemaletransgenderall of the above
- 26. 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 - 27. Multiple ChoiceSome chickens show incomplete dominance. When a black (BB) chicken is crossed with a white (bb) chicken the result is a blue (Bb) chicken. What is the percentage of offspring that will be blue if you cross a Blue chicken with a White Chicken?25%50%0%100%
- 28. Multiple ChoiceColorblindness is a sex-linked recessive disorder. A heterozygous woman is married to a man who is colorblind. What are the chances of them having a colorblind child?25%50%100%0%
- 29. Multiple ChoiceA woman who has Type O blood is married to a man homozygous B. What are the chances of them having a child with Type O blood.25%0%50%75%
- 30. Multiple ChoiceA karyotype showsThe complete diploid set of chromosomes grouped together.The parent genotypes.The possible offspring.Inheritance patterns from generation to generation.
- 31. Multiple ChoiceIn the Karyotype shown, which of the following is true?The individual is female with 45 chromosomesThe individual is male with 46 chromosomesThe individual is male with 47 chromosomesThe individual is female with 47 chromosomes.
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