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Cells, Genes, and the Instructions of Life

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Science & Nature20 questions · one page

QuizMora Editorial TeamPublished August 9, 2026 · Updated August 9, 2026

Work through 20 mobile-friendly questions created only for Cells, Genes, and the Instructions of Life. Submit once to see the complete outcome without answers or result clues being revealed early.

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20 QuestionsScience & Nature Quiz

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Question 1 of 20Science & NatureWhich genetics term means random change in allele frequencies?

Arecessive allele Bcodominance Cgenetic drift Dincomplete dominance

Question 2 of 20Science & NatureWhich biology term matches this description: The cellular structure that assembles proteins?

AOsmosis BRibosome CNucleus DMitosis

Question 3 of 20Science & NatureWhich genetics term means having two identical alleles at a locus?

Aincomplete dominance Bcrossing over Cmeiosis Dhomozygous

Question 4 of 20Science & NatureWhich genetics term means a trait influenced by multiple genes?

Achromosome Bmutation Chomozygous Dpolygenic trait

Question 5 of 20Science & NatureWhat is a key function of the white blood cells?

AProduce stress-response hormones BCarries food to the stomach CAbsorbs water from digestive waste DHelp defend against infection

Question 6 of 20Science & NatureWhich genetics term means a packaged DNA molecule carrying many genes?

Achromosome Bgenetic drift Cpolygenic trait Dcarrier

Question 7 of 20Science & NatureWhich biology term matches this description: The blood cell that transports most oxygen?

AAntibody BEcosystem CRed blood cell DNeuron

Question 8 of 20Science & NatureWhat does recessive allele mean in genetics?

Arandom change in allele frequencies Ban allele expressed only without a dominant counterpart in simple inheritance Cexchange of DNA between homologous chromosomes Ddifferential reproductive success linked to heritable traits

Question 9 of 20Science & NatureWhat does phenotype describe?

Aboth alleles being fully expressed in a heterozygote Ban allele expressed only without a dominant counterpart in simple inheritance Cobservable traits produced by genes and environment Da heterozygote showing an intermediate phenotype

Question 10 of 20Science & NatureWhich biology term matches this description: The plant-cell organelle where photosynthesis occurs?

AMitochondrion BGene CCell membrane DChloroplast

Question 11 of 20Science & NatureWhat does allele mean in genetics?

Aan alternative version of a gene Brandom change in allele frequencies Can allele expressed only without a dominant counterpart in simple inheritance Ddifferential reproductive success linked to heritable traits

Question 12 of 20Science & NatureWhat does heterozygous describe?

Ahaving two different alleles at a locus Ba DNA sequence that contributes to a functional product Ca diagram tracking a trait through a family Dheritable changes in gene activity without changing DNA sequence

Question 13 of 20Science & NatureWhat does crossing over mean in genetics?

Aexchange of DNA between homologous chromosomes Bobservable traits produced by genes and environment Ca packaged DNA molecule carrying many genes Dan organism's genetic makeup at specified loci

Question 14 of 20Science & NatureWhat does epigenetics mean in genetics?

Ahaving two different alleles at a locus Bheritable changes in gene activity without changing DNA sequence Chaving two identical alleles at a locus Dan allele expressed with one copy in a simple dominance pattern

Question 15 of 20Science & NatureWhich term means the boundary controlling movement into and out of a cell?

ARibosome BNucleus CGene DCell membrane

Question 16 of 20Science & NatureWhich term means movement of water across a selectively permeable membrane?

AMitosis BMeiosis COsmosis DRibosome

Question 17 of 20Science & NatureWhich term means living organisms interacting with their physical environment?

AEcosystem BDecomposer CAntibody DProducer

Question 18 of 20Science & NatureWhich biology term matches this description: Cell division that produces eggs or sperm?

AMitosis BChromosome CMeiosis DEnzyme

Question 19 of 20Science & NatureName the concept described as an allele expressed with one copy in a simple dominance pattern?

AIn genetics, homozygous BIn genetics, dominant allele CIn genetics, mutation DIn genetics, heterozygous

Question 20 of 20Science & NatureWhich genetics term means a diagram tracking a trait through a family?

Agene Bpedigree Cgenetic drift Dallele

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