A.   Mendelian inheritance

B.   recessive traits

C.   codominance

D.   polygenic inheritance

A.   tRNA

B.   sodium

C.   mitochondria

D.   DNA

A.   the entire collection of genetic material in a breeding community that can be passed on from one generation to the next

B.   pools of water that attract organisms and encourage mating

C.   the entirety of an individual organism's genome

D.   the observable traits that are produced by a genotype

A.   the Y chromosome is present in males only.

B.   the X chromosome determines sex.

C.   sperm are more powerful than eggs.

D.   the X chromosome originates only from females.

A.   FALSE

B.   TRUE

A.   100,000 genes

B.   30,000 genes

C.   3 billion genes

D.   21,000 genes

A.   heterozygous genes

B.   gene variants

C.   locus

D.   homozygous genes

A.   your mind

B.   genes.

C.   ribosomes

D.   chains of amino acids.

A.   natural selection, genes, alleles, and chromosomes.

B.   natural selection, gene flow, genetic drift, and mutations.

C.   gene flow, mutations, chromosomes, and genes.

D.   mutations, genes, and genetic drift.

A.   A disease that kills one individual is likely to kill everybody else.

B.   Diseases typically attack individuals and not populations.

C.   Natural selection does not deal with diseases and as a result this scenario is not possible.

D.   Being the same makes everybody stronger since they are pure blooded and as a result are more likely to survive.

A.   DNA was the molecule carrying the genetic code.

B.   traits are passed on from parent to offspring as discrete units.

C.   traits inherited from each parent blended together in the offspring.

D.   peas were a poor choice for understanding basic hereditary principles.

A.   can always be determined from the phenotype.

B.   can be masked in the phenotype.

C.   is expressed in the phenotype alongside a dominant allele.

D.   can never be expressed in the phenotype.

A.   were rare and unlikely to occur.

B.   resulted in new phenotype characteristics.

C.   created new species.

D.   merely increased variation within populations.

A.   TRUE

B.   FALSE

A.   may share the same geographic area but are so phenotypically different that they never attempt to reproduce.

B.   are geographically isolated from one another, look alike, but are not capable of successful interbreeding.

C.   have their own unique phenotypes and are geographically isolated from one another, but are capable of successful interbreeding.

D.   have their own unique phenotypes and are geographically isolated from one another, but if they do happen to encounter one another, they are still capable of interbreeding although their offspring are infertile.

A.   A theory is an explanation based upon controversial facts.

B.   A theory has been less thoroughly tested than a hypothesis.

C.   A hypothesis explains observations and cannot be refuted by new evidence.

D.   A theory is an explanation that has been carefully examined and tested.

A.   controlled by multiple genes

B.   controlled by a single gene

C.   mentally manipulated

D.   greatly manipulated by social factors

A.   FALSE

B.   TRUE

A.   function only in fruit flies.

B.   appear to function in similar ways across diverse groups of organisms.

C.   control which amino acids get plugged into polypeptide chains.

D.   control the development of language in humans.

A.   phenotypic

B.   structural

C.   dominant

D.   recessive

A.   chromosome number

B.   nucleotide sequences

C.   epigenes

D.   diploid and haploid numbers

A.   would be composed of an even blend of their parents’ characteristics.

B.   did not inherit characteristics from their parents but acquired them through interaction with their environment.

C.   changed genetically from their parents through the accumulation of random genetic mutations.

D.   would inherit characteristics that were acquired during their parents’ lifetimes.

A.   determined by one gene with multiple alleles

B.   determined by more than one gene

C.   determined by one gene

A.   TRUE

B.   FALSE

A.   organisms transform and pass these transformations on to their offspring

B.   none of the answers are satisfactory

C.   within a population, some variations are favored by environmental conditions and others are not

D.   all species are fixed

A.   No since different genes will exert varying degrees of influence on the trait

B.   Yes since all genes having to do with a trait always have the exact same influence on a trait.

C.   No since all traits are only controlled by one gene with two alleles.

D.   None of the other responses are satisfactory answers.

A.   When both alleles are present none of them will be passed down to the next generation

B.   The recessive allele is more likely to be passed down.

C.   Both alleles have an equal probability of being passed down to the offspring.

D.   The dominant allele is more likely to be passed down.

A.   FALSE

B.   TRUE

A.   Replication and polymerase immersion

B.   Replication and DNA construction

C.   Replication and protein synthesis

D.   Translation and transcription

A.   gene migration.

B.   genetic drift.

C.   admixture.

D.   gene flow.

A.   dinosaurs

B.   pyrimids

C.   humans from a biological perspective

D.   humans from a cultural perspective only.

A.   Chromosome s and nuclein

B.   Amino acids, and hydrogen bonds

C.   Deoxyribose, phosphate and nitrogenous bases

A.   a process that occurs only over extremely long periods of time.

B.   the appearance of a new species.

C.   a change in allele frequencies in a breeding population over time.

D.   changes in the DNA of an individual over his or her lifetime.

A.   they decrease variation

B.   They Don’t effect variation

C.   They both increases and decreases variation

D.   they increase variation

A.   extra chromosomes

B.   a full complement of chromosomes

A.   adapted organisms

B.   mutants

C.   evolved organisms

D.   species

A.   a population bottleneck

B.   natural selection

C.   extinction

D.   a spontaneous population shift

A.   TRUE

B.   FALSE

A.   speciation

B.   species split

C.   macroevolution

D.   microevolution

A.   cytoplasmic

B.   cell replication

C.   protein synthesis

D.   energy production

A.   Sexual selection

B.   Gene flow

C.   Genetic drift

D.   Natural selection

A.   genetic drift.

B.   gene flow.

C.   a population bottleneck.

D.   founder effect.

A.   genetic drift

B.   gene flow

C.   recombination

D.   natrual selection

A.   recessive allele

B.   genotype

C.   phenotype

D.   allele frequency

A.   stabilizing selection.

B.   mutation.

C.   the founder effect.

D.   gene flow.

A.   archaeological, geological, geographical, and biological.

B.   cultural, linguistic, geological, and physical.

C.   biological, archaeological, cultural, and linguistic.

D.   physics, biological, cultural, and linguistic.

A.   heritable chart

B.   pedigree chart

C.   punnett square

D.   none of the above

A.   only specific genes for specific proteins are activated in specific cell types.

B.   they are mentally manipulated by an organism to achieve specific characteristics.

C.   each cell type has its own unique DNA that is different from all other cells.

A.   genetic bottleneck

B.   sexual selection

C.   hardy effect

D.   reproductive variance