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- 1. Multiple ChoiceWhich of the following is an example of a biological trait?personalityhair styleeye colorregional accent
- 2. Multiple ChoiceWhen Mendel crossed plants that were purebred purple-flowered with plants that were purebred white-flowered, the resulting offspring all had purple flowers. When allowed to self-pollinate, this F1 generation gave rise to white-flowered plants as well as purple. As a result, Mendel determined that individual traits areinherited as discrete units.diluted in offspring.merged with successive generations.lost in the pollination process.
- 3. Multiple ChoiceWhich of the following conclusions was a result of Mendel’s observations?Organisms that give rise to purebreds are genetically superior.Organisms that have intermediate features are self-pollinating.Organisms inherit two copies of each gene, one from each parent.Organisms that self-pollinate do not have "either-or" features.
- 4. Multiple ChoiceHair color and eye color are examples of a person’srecessive traits.dominant allelesgenotypephenotype
- 5. Multiple ChoiceWhen an organism has two alleles at a particular locus that are different, the organism is calledpurebreddominantheterozygousrecessive
- 6. Multiple ChoiceIf a pea plant were homozygous recessive for height, how would its alleles be represented?TtTTtttT
- 7. Multiple ChoiceAn allele is dominant in a heterozygote when it isexpressed and the other allele is not.a very common allele in a population.the stronger of the two alleles.more desirable than the other allele.
- 8. Multiple ChoiceWhat do the letters inside the grid of a Punnett square represent?phenotypes of parents.genotypes of offspring.testcrosses of offspring.chromosomes of parents.
- 9. Multiple ChoiceWhat is the probability that the offspring of a cross between a homozygous recessive parent and a heterozygous parent will be homozygous recessive?1/11/21/41/8
- 10. Multiple ChoiceWhat is the phenotypic ratio of a monohybrid cross between two heterozygous parents?3:11:2:19:3:3:11:2:2:1
- 11. Multiple ChoiceWhich of the following observations did Mendel make as a result of his experiments with dihybrid crosses?Dominant traits are inherited together.Different traits are inherited separatelySimilar traits are inherited in pairs.Recessive traits are inherited unpredictably.
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