กฎของเมนเดล
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25 questions
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- Q1What principle states that alleles for different traits are distributed to gametes independently of one another?Law of Independent AssortmentLaw of Genetic VariationLaw of SegregationLaw of Dominance30s
- Q2In Mendel's experiments, what were the physical traits that were observed called?AllelesGametesPhenotypesGenotypes30s
- Q3What is the expected phenotypic ratio in the offspring of a monohybrid cross of two heterozygous parents?1:2:11:19:3:3:13:130s
- Q4Which term describes an organism's genetic makeup?GenotypeDiploidPhenotypeHaploid30s
- Q5What do we call the different versions of a gene that determine a specific trait?LociChromosomesGenomesAlleles30s
- Q6What is the term for the inheritance pattern where one allele is completely dominant over another?Incomplete DominancePolygenic InheritanceComplete DominanceCodominance30s
- Q7Which of Mendel's laws states that alleles segregate from each other during the formation of gametes?Law of Independent AssortmentLaw of DominanceLaw of Genetic DriftLaw of Segregation30s
- Q8Which of the following accurately describes an organism that has two identical alleles for a particular trait?RecessiveDominantHomozygousHeterozygous30s
- Q9In Mendel's pea plant experiments, which trait was observed to be dominant when studying flower color?Purple flowersWhite flowersGreen flowersYellow flowers30s
- Q10What is the principle behind Mendel's law of segregation?Only dominant traits are expressed.Traits are inherited together as a single unit.Alleles for a trait separate during the formation of gametes.All traits are blended in the offspring.30s
- Q11Which of the following accurately describes Mendel's law of independent assortment?Dominant traits always mask recessive traits.Only one pair of alleles affects the offspring's phenotype.The alleles for different traits are distributed to gametes independently of one another.All traits are influenced by a single gene.30s
- Q12What is the expected phenotypic ratio in the offspring of a monohybrid cross between two heterozygous parents?9:3:3:11:11:2:13:130s
- Q13Which of the following statements best describes a 'dominant' allele?An allele that cannot be expressed in the presence of a recessive allele.An allele that is always expressed in the phenotype, regardless of other alleles.An allele that only appears in homozygous conditions.An allele that masks the effect of a recessive allele in a heterozygous genotype.30s
- Q14In Mendelian genetics, what phenotype would a heterozygous individual display for a trait governed by complete dominance?No visible phenotypeA blend of both phenotypesThe recessive phenotypeThe dominant phenotype.30s
- Q15Which of the following statements describes Mendel's law of independent assortment?Alleles for different traits are distributed to gametes independently of one another.Dominant traits overshadow all othersOnly one trait can be expressed in an organismAll traits are inherited together30s