Cell Cycle
DNA & Replication
Protein Synthesis
Genetics
Natural Selection
100

The combination of tightly coiled DNA + Histones

What are chromosomes? 

100

The macromolecule that DNA is. 

What are nucleic acids? 

100

The number of strands in RNA. 

What is single stranded?

100

The scientist who discovered the rules of inheritance. 

Who is Gregor Mendel? 

100

The change in a population's allele frequency over time. 

What is evolution? 

200

The division of the nucleus. 

What is mitosis? 

200

The sugar in DNA. 

What is deoxyribose? 

200

The type of RNA that is the complementary copy of DNA. 

What is mRNA?

200

The different forms of a single gene. 

What are alleles? 

200

The mechanism for evolution and depends on an organism's fitness. 

What is natural selection?

300

The division of the cytoplasm 

What is cytokinesis? 

300

The strand direction in DNA. 

What is antiparallel? 

300

The step in protein synthesis that occurs in the nucleus. 

What is transcription? 
300

Organisms with two different alleles for the same gene. 

What is heterozygous?

300

The variations that are inherited and increase an organism's ability to survive and reproduce. 

What are adaptations? 

400

The result of mitosis. 

What are two genetically identical daughter cells? 

400

The phase of the cell cycle that DNA replication occurs. 

What is the S phase. 

400

The three base sequences on mRNA that codes for a single amino acid. 

What is a codon?

400

The inheritance mode where one allele is not completely dominant over the other. 

What is incomplete dominance? 

400

The structures that are similar in structure, but have a different function. 

What are homologous structures? 

500

The phase where chromosomes are pulled apart at the centromere. 

What is anaphase? 

500

The end result of DNA replication. 

What is having two identical DNA molecules, each having one original and one new strand of DNA?

500

The heritable changes in genetic information. 

What are mutations? 

500

The inheritance mode where genes are carried on the X chromosome. 

What is X-linked inheritance?

500

The occurrence when reproduction of offspring is prevented. 

What is reproductive isolation? 

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