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5 Written questions

5 Matching questions

  1. mitosis
  2. duchenne muscular dystrophy
  3. prezygotic
  4. chemo
  5. dominant genes
  1. a member of a gene terror that controls the appearance of a certain trait, genes that mask other genes' effects
  2. b isolating mechanism that prevents two species from producing a fertilized egg
  3. c affects spindle fibers from making new cells but also attacks every cell going through mitosis
  4. d in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes, asexual
  5. e A human genetic disease caused by a sex-linked recessive allele; characterized by progressive weakening and a loss of muscle tissue.

5 Multiple choice questions

  1. they are broken they do not work
  2. animal- cleavage furrow forms as it grows, it pinches cell into 2, plant- a cell plate froms between the two nuclei and grows into a new cell wall dividing the cell
  3. help pull apart the cell during replication and are made up of micrtubules, special microtubules which grow in mitosis, connect to chromosomes, and move the chromosomes around
  4. second phase of mitosis, during which the chromosomes line up across the center of the cell, spindle fibers move chromosomes to the equator
  5. looking at any organism where genes get turned on and off pharengely slits.The comparison of early stages of development

5 True/False questions

  1. antigensRandom errors in gene replication that lead to a change in the sequence of nucleotides; the source of all genetic diversity, changes in genetic material


  2. Mendel hypothesisthere are alternative forms of genes alleles for each inherited characteristic an organism has two genes one from each parent a sperm or egg carries only one allele for each when the two genes of a pair are different alleles they are called dominant ans recessive


  3. sexual selectionthe principle that, among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations


  4. genetic driftthe gradual changes in gene frequencies in a population due to random events


  5. micro evolutionchange in the populations gene pool over time, evolution on the smallest scaleā€”a generation-to-generation change in the frequencies of alleles within a population


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