Exam 1

A  genetic bottleneck

B  reproductive variance

C  hardy effect

D  sexual selection

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

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

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

A  pedigree chart

B  punnett square

C  heritable chart

D  none of the above

A  physics, biological, cultural, and linguistic.

B  cultural, linguistic, geological, and physical.

C  archaeological, geological, geographical, and biological.

D  biological, archaeological, cultural, and linguistic.

A  stabilizing selection.

B  the founder effect.

C  mutation.

D  gene flow.

A  phenotype

B  genotype

C  recessive allele

D  allele frequency

A  recombination

B  genetic drift

C  gene flow

D  natrual selection

A  genetic drift.

B  a population bottleneck.

C  gene flow.

D  founder effect.

A  Genetic drift

B  Gene flow

C  Sexual selection

D  Natural selection

A  energy production

B  cytoplasmic

C  cell replication

D  protein synthesis

A  macroevolution

B  speciation

C  microevolution

D  species split

A  FALSE

B  TRUE

A  natural selection

B  a population bottleneck

C  extinction

D  a spontaneous population shift

A  species

B  evolved organisms

C  adapted organisms

D  mutants

A  a full complement of chromosomes

B  extra chromosomes

A  they increase variation

B  they decrease variation

C  They both increases and decreases variation

D  They Don’t effect variation

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

B  the appearance of a new species.

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

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

A  Deoxyribose, phosphate and nitrogenous bases

B  Chromosome s and nuclein

C  Amino acids, and hydrogen bonds

A  humans from a biological perspective

B  dinosaurs

C  humans from a cultural perspective only.

D  pyrimids

A  admixture.

B  gene migration.

C  gene flow.

D  genetic drift.

A  Replication and protein synthesis

B  Replication and polymerase immersion

C  Translation and transcription

D  Replication and DNA construction

A  FALSE

B  TRUE

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

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

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

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

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

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

C  None of the other responses are satisfactory answers.

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

A  all species are fixed

B  organisms transform and pass these transformations on to their offspring

C  none of the answers are satisfactory

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

A  TRUE

B  FALSE

A  determined by more than one gene

B  determined by one gene

C  determined by one gene with multiple alleles

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

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

A  epigenes

B  chromosome number

C  nucleotide sequences

D  diploid and haploid numbers

A  structural

B  dominant

C  phenotypic

D  recessive

A  control which amino acids get plugged into polypeptide chains.

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

C  function only in fruit flies.

D  control the development of language in humans.

A  FALSE

B  TRUE

A  controlled by multiple genes

B  greatly manipulated by social factors

C  mentally manipulated

D  controlled by a single gene

A  A theory is an explanation based upon controversial facts.

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

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

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

A  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.

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

A  TRUE

B  FALSE

A  merely increased variation within populations.

B  resulted in new phenotype characteristics.

C  were rare and unlikely to occur.

D  created new species.

A  can be masked in the phenotype.

B  can always be determined from the phenotype.

C  is expressed in the phenotype alongside a dominant allele.

D  can never be expressed in the phenotype.

A  DNA was the molecule carrying the genetic code.

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

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

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

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

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

C  Diseases typically attack individuals and not populations.

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

A  mutations, genes, and genetic drift.

B  natural selection, genes, alleles, and chromosomes.

C  gene flow, mutations, chromosomes, and genes.

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

A  chains of amino acids.

B  genes.

C  your mind

D  ribosomes

A  homozygous genes

B  gene variants

C  locus

D  heterozygous genes

A  100,000 genes

B  30,000 genes

C  21,000 genes

D  3 billion genes

A  TRUE

B  FALSE

A  the X chromosome determines sex.

B  the X chromosome originates only from females.

C  the Y chromosome is present in males only.

D  sperm are more powerful than eggs.

A  pools of water that attract organisms and encourage mating

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

C  the entirety of an individual organism’s genome

D  the observable traits that are produced by a genotype

A  mitochondria

B  DNA

C  tRNA

D  sodium

A  polygenic inheritance

B  codominance

C  Mendelian inheritance

D  recessive traits