Exam III (chap 15-17,23-25)
Supplemental Instruction
IowaStateUniversity / Leader: / Adam
Course: / Biology 211
Instructor: / Dr. Holscher
Date:
- The sexual life cycle alternates between fertilization and what?
- Mitosis
- Meiosis
- Zygote
- Somatic cell
- How many possible daughter cell combinations are there for an organism with a diploid number of 8?
- 4
- 12
- 16
- Two alleles that both affect the phenotype in separate distinguishable ways is known as?
- Complete dominance
- Codominance
- Incomplete dominance
- Partial dominance
- Incorporation of genetic material from another organism without being the offspring of that organism is referred to as what?
- Vertical evolution
- Horizontal evolution
- Diagonal evolution
- Genomic evolution
- This occurs when a few individuals become isolated from a larger population, establishing a new population whose gene pool differs from the original population?
- Bottleneck effect
- Founder effect
- Adam effect
- Translocation
- When are homologues separated?
- Meiosis I
- Meiosis II
- Meiosis III
- Meiosis IV
- Which phase is not part of Interphase?
- G0 leaves the cell cycle
- S
- G1
- G2
- What term refers to all chromosomes other than the sex chromosomes?
- Gametes
- Body Cell
- Barr Body
- Autosome
- Which type of spindle microtubule controls movement of the chromosome?
- Astral
- Polar
- Kinetochore
- Anchoring
- Genes for each character exist in two variant forms, called ______.
- Alleles
- Chromosomes
- Spots
- Genotype
- Which describes Maternal effect?
- The phenotype of the mother determines the genotype of the offspring.
- The genotype of the mother determines the phenotype of all the offspring.
- The genotype of the mother produces offspring of the same genotype as the father.
- The genotype of the sons is only dependent on the mother’s phenotype.
- Who hypothesized that species evolve through use and disuse and through the inheritance of acquired traits.
- Charles Darwin
- Carolus Linnaeus
- Jean-Baptiste de Lamark
- Alfred Wallace
- When are sister chromatids separated?
- Meiosis I
- Meiosis II
- Meiosis III
- Meiosis IV
- How many pairs of autosomes are in a human muscle cell?
- 23
- 22
- 44
- 46
- What stage is missing during meiosis II?
- Metaphase
- Prophase
- Interphase
- Telophase
- A Barr body will be found in the nucleus of ______.
- Male gamete
- Female gamete
- Male somatic cell
- Female somatic cell
- Genetic drift as a major impact on ______.
- Small populations
- Large population
- A testcross can determine the ______of an organism that has a ______phenotype.
- Phenotype, recessive
- Genotype, dominant
- Phenotype, dominant
- Genotype, recessive
- What event produces recombinant chromosomes?
- Formation of a tetrad
- Independent assortment of chromosomes
- Crossing Over
- Random Fertilization
- The normal character phenotype is referred to as what?
- Dominant type
- Recessive type
- Wild type
- Normal Type
- Which checkpoint in the cell cycle checks the integrity of the spindle apparatus?
- Prophase Checkpoint
- Metaphase Checkpoint
- Anaphase Checkpoint
- G2 checkpoint
- Fathers pass sex-linked alleles to all of their ______, but to none of their ______.
- Sons, daughters
- Daughters, sons
- Which person(s) advocated Unifromitarianism?
- John Ray
- Carolus Linnaeus
- Jean-Baptiste de Lamark
- James Hutton/Charles Lyell
- Prevents the interspecies hybrid zygote from developing into a viable, fertile offspring.
- Prezygotic isolating mechanism
- Postzygotic isolating mechanism
- The apparatus of microtubules originate from what structure?
- Centromere
- Nucleus membrane
- Centrosome
- Polar astrals
- Homologous chromosomes do not share which quality?
- Same length
- Same staining pattern
- Same RNA double helix
- Same centromere position
- Meiosis results in the formation of how many daughter cells?
- 2
- 3
- 4
- 8
- In animal cells cytokinesis involves the formation of what?
- Cell plate
- Cyclin dependent kinase
- Cleavage furrow
- Cyclin
- What is the smallest unit that can evolve?
- Individual
- Population
- Species
- The Hardy-Weinberg equation is represented by:
- q^3 +2pq + q^3=1
- q^2 +pq^2 +q^2=1
- q^2 +2pq+ q^2=1
- Migration tends to ______difference in allele frequency between population while ______genetic diversity within population.
- Decrease, increase
- Increase, decrease
- Anueploidy may result from ______during either Meiosis I or II.
- Crossing Over
- Nondisjunction
- Inversion
- Translocation
- Variation in the number of sets of chromosomes is called?
- Anueploidy
- Polyploidy
- Nondisjunction
- Translocation
- All mouse cells are diploid
- True
- False
- How many autosomes are in a human brain cell?
- 22
- 44
- 46
- 88
- Which type of spindle microtubule play a role in the separation of the cell?
- Astral
- Polar
- Kinetochore
- Anchoring
- A variation in the number of a particular chromosome within a set is called?
- Anueploidy
- Polyploidy
- Nondisjunction
- Translocation
- In a particular animal species, a long tail (T) is dominant to a short tail (t), and a blonde hair (B) is dominant to grey hair (b). When a TtBb female is mated with a ttbb male, the observed distribution of offspring is as follows 411 offspring with a long tail and blonde hair, 101 offspring with a long tail and grey hair, 312 offspring with a short tail and blonde hair, and 386 offspring with a short tail and grey hair. Based on these offspring, what is the approximate recombination frequency?
- 24%
- 34%
- 64%
- 84%
- A hypothesis that had been tested and is well supported by data is known as?
- Scientific theory
- A fact
- Idea
- Postulate
- Which type of spindle microtubule positions the centrosome in the cell?
- Astral
- Polar
- Kinetochore
- Anchoring
- Which sex determines the gender of the offspring?
- Male
- Female
- The phenotype of F1 hybrids is somewhere between the phenotype of the two parental varieties is called?
- Complete dominance
- Codominance
- Incomplete dominance
- Partial dominance
- All of the alleles for every gene in a given population is called a ______?
- Species
- Gene Pool
- Locus
- Hybrid Zone
- What phase of the cell cycles do sister chromatids form?
- G1
- G2
- S
- Prophase
- Which person viewed life as descent with modification?
- Charles Darwin
- Carolus Linnaeus
- Georges Cuvier
- Alfred Wallace
- Which refers to when organelles such as chloroplasts are contributed by only the egg ______.
- Extranuclear inheritance
- Organelle inheritance
- Maternal effect
- Maternal inheritance
- Dominant alleles are always more common in population that recessive alleles.
- True
- False
- The alleles of one gene mask the expression of the alleles of another gene is known as?
- Incomplete dominance
- Epistasis
- X inactivation
- Translocation
- Most animal species are?
- Diploid dominant
- Haploid dominant
- Alternate between generation
- Triploid dominant
- In meiosis how many cell division are there?
- 1
- 2
- 3
- 4