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- 1. Multiple ChoiceWhen a person has two different alleles for a gene, they are said to beheterozygoushomozygous
- 2. Multiple ChoiceA __________ allele always shows up in an organism when the it is present.dominanthybrid
- 3. Multiple ChoiceAa, DD, bB, yy are all examples ofgenotypesphenotypes
- 4. Multiple ChoiceIn a dihybrid crossone trait is crossed.two traits are crossed.four boxes are needed for the punnett square.mom's alleles are dominant.
- 5. Multiple ChoiceWhich of the following genotypes is heterozygous?BbBBbbB
- 6. Multiple Choice
Mendel's early work with pea plants demonstrated a significant genetic discovery. The crossing of homozygous tall pea plants with homozygous short pea plants always resulted in tall plants and demonstrated that tallness in pea plants is a trait that is —
blended
dominant
mutated
recessive
- 7. Multiple Choice
T - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 8. Multiple ChoiceWhat allele combination should go in the missing box?AAAaaanone of these
- 9. Multiple Choice
Dominant alleles are represented by a:
Male gene
Lowercase letter
Recessive trait
Capital letter
- 10. Multiple ChoiceWhat is the dominant trait?yellow pea seedsgreen pea seedsthere is no dominant seedJolly green giant
- 11. Multiple ChoiceThis image shows a...Punnett SquarePhenotypeGenotypeDominant allele
- 12. Multiple ChoiceA characteristic that an organism can pass on to its offspring through its genes is ___________TraitGeneAlleleDominant
- 13. Multiple ChoiceAn organism’s genetic makeup or allele combination.GenotypePhenotypeBeanotypeNotype
- 14. Multiple ChoiceAn organism’s physical appearance, or visible traits.GenotypePhenotypeBeanotypeNotype
- 15. Multiple ChoiceWhat is called when a organism has two identical alleles for a trait. TT or tt. RR or rrHeterozygousHomozygousDomozygousThermozygous
- 16. Multiple ChoiceWhat is called when a organism has two different alleles for a trait. Tt or RrHeterozygousHomozygousDomozygousThermozygous
- 17. Multiple ChoiceScientists use capital and small letters to show the _____ of an organism.genotypegenetic disorderphenotypegenome
- 18. Multiple ChoiceAn organism that has one dominant and one recessive allele for height is _____.unusualhomozygousmutatedheterozygous
- 19. Multiple ChoiceIn a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?25%0%100%50% - 20. Multiple ChoiceIn a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?25%0%100%50% - Answer choicesTagsAnswer choicesTags