Biology Jeopardy Game Key

Chapter 6 Chapter 7 Chapter 8
binary
Prokaryotes reproduce by ________ fission.
heterozygous
If the two alleles of a gene differ, the organism is ________ , and the dominant allele determines the organism’s phenotype.
genetic
A random change in allele frequencies of a population is called ________ drift.
chromatids
A chromosome may consist of two sister ________ held together by a centromere.
3:1
In a cross between two heterozygotes of a trait exhibiting complete dominance, the expected genotype ratio is 1:2:1. The phenotype ratio should be ________ .
reproductive
A fast rabbit has good ________ fitness because that trait allows it to leave more offspring.
23
Human gametes (eggs and sperm) have ________ chromosomes.
incomplete
Flower color in the snapdragons exhibits ________ dominance, the heterozygote phenotype is intermediate between those of the homozygotes.
adaptation
Inherited traits of an organism that enhance its survival and reproduction in to its environment is called ________ .
cell
Checkpoints during the ________ cycle regulate cell division and mitosis.
codominance
Human blood types exhibit ________ when both IA and IB alleles contribute expression to the phenotype.
homologous
Mammalian forelimbs are examples of ________ structures, derived from a common ancestor.

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