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- 1. Multiple Choice
An offspring will receive how many alleles from each parent to determine a specific trait?onetwothreefive - 2. Multiple Choicehaving two of the same genes for the trait (sometimes called purebred).homozygoushetrozygousproteinchromosome
- 3. Multiple ChoiceIncomplete dominance means that the traits areexpressed equallydominantrecessiveblended
- 4. Multiple ChoiceOne form of a gene is called_______________a DNAa Phenotypea traitan allele
- 5. Multiple ChoiceIf green is dominant over purple, then what is the genotype for this individual?PurpleGreenGGgg
- 6. Multiple ChoiceIn pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?Tall = T
Short = STall = T
Short = tTall = t
Short = TTall = TT
Short = tt - 7. Multiple Choice
Which of the following genotypes is homozygous dominant?
Yy
yY
yy
YY
- 8. Multiple Choice
What is the genotypic ratio of the offspring?
3:1
1:3
1:2:1
2:2
- 9. Multiple Choice
What are the phenotype percentages of the offspring?
(A-Brown fur color; a-white fur color)
50 % Brown fur and 50% White fur
25 % Brown fur and 75% White fur
75 % Brown fur and 25% White fur
0% Brown fur and 100% White fur
- 10. Multiple ChoiceIf you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be.incomplete dominancecodominancecodependantcooperative
- 11. Multiple ChoiceIn rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?It is BB.It is BbIt is brownIt is bb.
- 12. Multiple ChoiceThis punnett square shows a cross betweenA hybrid Parent and a Homozygous parentA heterozygous parent and a heterozygous parentTwo homozygous parentsTwo Hybrid Parents
- 13. Multiple ChoiceThis is an example ofComplete dominanceMendelian GeneticsCodominanceIncomplete Dominance
- 14. Multiple Choice
In a Punnett square, a lower case letter stands for a ____________ allele.
dominant
recessive
homozygous
heterozygous
- 15. Multiple Choice
Hair color, height, eye color and freckles are examples of human traits. What do we call the physical expression of the genetic material of an organism?
genetics
heredity
genotype
phenotype
- 16. Multiple Choice
In animals, shaggy fur is dominant to short fur. The Punnett Square shows the genotypes of the offspring of a shaggy fur animal and a short fur animal. What were the genotypes of the parents?
FF and FF
Ff and ff
ff and ff
Ff and Ff
- 17. Multiple Choice
Heterozygous is when...
the alleles are the same.
the alleles are different.
the alleles are absent.
the alleles are present.
- 18. Multiple ChoiceWhat type of inheritance do two alleles have if their traits blend together?Incomplete DominanceCo-Dominance
- 19. Multiple Choice
Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).
Cross a red flower with a speckled flower. What is the phenotypic ratio?
2 red, 2 speckled
2 red, 2 blue
2 blue, 2 speckled
- 20. Multiple Choice
When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....
Incomplete Dominance
Codominance
- Answer choicesTagsAnswer choicesTags