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- 1. Multiple ChoiceHomozygous is when...the alleles are the samethe alleles are differentthe alleles are absentthe alleles are present
- 2. Multiple ChoiceHeterozygous is when...the alleles are the samethe alleles are differentthe alleles are absentthe alleles are present
- 3. Multiple ChoiceIn a heterozygous genotype, the ___________ allele takes over in the phenotype.recessivedominantlower case letterboth
- 4. Multiple Choice
T - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 5. Multiple ChoiceB = brown fur b = white fur
In the punnett square, what is the probability for white fur?0%25%50%75% - 6. Multiple ChoiceIn the punnett square shown, what must the genotype of the missing parent be?BBBbbbTt
- 7. Multiple ChoiceIn the punnett square shown, what is the genotypes of the two parents?RW and RRRW and WWRR and WWRW and RR
- 8. Multiple ChoiceWhich of the following is a phenotype?Aablack hairheterozygous genesmutated DNA
- 9. Multiple ChoiceDominant or recessive?
ttDominantRecessive - 10. Multiple ChoiceWhat is a dominant allele?A trait that is always shown (capital letter)A trait that can be hidden (lower case letter)Alleles that are the sameAlleles that are different
- 11. Multiple ChoiceThis image shows a...Punnett SquarePhenotypeGenotypeDominant allele
- 12. Multiple ChoiceWhat genotype is missing from this Punnett Square?RrYyRRYYrryyRrYY
- 13. Multiple ChoiceCross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?0%25%50%100% - 14. 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
- 15. Multiple ChoiceWhich of the following genotypes is heterozygous?BbBBbbB
- Answer choicesTagsAnswer choicesTags