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Test your basic knowledge |
CSET Genetics And Evolution
Start Test
Study First
Subjects
:
cset
,
science
,
genetics
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
Ice
Habitat
GATTACA
Founder effect
2. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. e.g. Tt plant will still be tall. Where T is the dominant trait for tall and t is the recessive trait for small.
Locus
mRNA
Comparative Anatomy
Recessive
3. Messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the ribosome
Cenozoic era
Reproductive Isolation
Gene Pool
mRNA
4. Natural selection that causes the frequency of a particular allele to move in one direction
Independent assortment
Heterozygous
Directional Selection
analogous (Evolution Evidence)
5. All the genes in a population. genes are added by reproduction and immigration and lost by death and emigration
Allele Frequency
Gene flow
Gene Pool
Allopatric Speciation
6. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
Ecological (habitat) Isolation
Stabilising selection
DNA
tRNA
7. Is found in DNA
thymine
Allele
Relative dating
Analogous Features
8. Periods of rapid evolution punctuated by periods of little change
Punctuated Equilibrium
Vestigial structure
Monohybrid Cross
Gene Pool
9. Speciation which does not involve a period of geographical separation
Molecular biology
Adaptation
Fitness
Sympatric Speciation
10. Innate trait; shared ancestry
Gene mutation
tRNA
homologous (Evolution Evidence)
proteins
11. A type of barrier between species; the species remain isolated because male and femal gametes of the different species cannot fuse - or they die before they unite.
anticodon
Phylogeny
Hominid
Gametic
12. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Clade
Chromosomes
Monohybrid Cross
Comparative anatomy
13. It means chromosomes are paired. One of each chromosome in a pair originates from the father and one from the mother. They affect the same trait - but don't necessarily cause the same expression of the trait.
Genome
Mold
Homologous pair
Niche
14. Chromosomes are collections of many
Dihybrid Cross
genes
Deletion
Haploid/Monoploid
15. Three mRNA nucleotides that code for a specific amino acid
codon
Stasis
Dihybrid Cross
Heterozygous
16. Speciation preceded by a period of geographical isolation
Hominid
Allopatric Speciation
Fossil
Mendel's traits are now called _____ found on DNA
17. The movement of genes between populations as a result of mating of migration
Gene Flow
Dominant
Common Ancestor
Vestigial structure
18. Form of reproductive isolation in which two populations reproduce at different times
Dihybrid
Temporal Isolation
Migration
Test Cross
19. Dna moves during electrophoresis because of...
Testcross
its negative charge
Independent assortment
Allopatric Speciation
20. Populations that can interbreed with neighboring populations but not with populations separated by larger geographical distances
Vestigial structure
Comparative anatomy
Ring Species
true
21. Change to a chromosome in which a fragment of the chromosome is removed
Phenotype
Deletion
molecular evidence
transcription
22. A group of organisms of the same species occupying a given area.
Population
restriction enzyme
analogous (Evolution Evidence)
vestigial (Evolution Evidence)
23. Different alleles for a gene
Ice
gel electrophoresis
Gene mutation
Heterozygote
24. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Homologous Structures
Fossils
homologous (Evolution Evidence)
Medel worked with _____
25. Molecules that join together to form DNA and RNA. Monomers that make up a nucleic acid
Nucleotide
The cell uses information from mRNA to produce proteins
cytoplasm
Homozygous
26. A population partially isolated from other populations of the same species
Deme
Dihybrid
Temporal Isolation
Phenotype
27. Predicts the possible outcome of a genetic cross.
anticodon
Bottle neck effect
Punnett Square
NIche Isolation
28. Layers of compressed sedimentary rock demonstrate the order or sequence at which events occurred. Cannot delineate the exact point of time - but is able to distinguish the order of events.
Endemic
Relative dating
Gene flow
Crossing over
29. Change of an organism over time. This can be caused by changes in in habitat or need to adapt for survival.
Gene mutation
Mesozoic era
Evolution
Convergent Evolution
30. What does DNA stand for...
Homologous pair
Thymine
deoxyribonucleic acid
Phenotype
31. Gene
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32. Organ that serves no useful function in an organism
Reproductive Isolation
Vestigial organs
Germ
Genotype
33. Separates DNA by size
Gene
Macroevolution
Punctuated Equilibrium
gel electrophoresis
34. Identical alleles for a gene
The cell uses information from mRNA to produce proteins
Homozygote
stop codon
Comparative anatomy
35. T or F If a nucleic acid contain uracil it is DNA
Incomplete Dominance
False RNA
amino acids
Guanine
36. These prevent fertilization between species e.g. diff breeding season - mating behaviour
Mendel's Principle of Segregation
Convergent Evolution
Hybrid Infertility
Pre -zygotic Mechanisms
37. Is a trait that is more expressed than another trait. Is written in capital letters for Genotype. E.g Tall genotype is TT or Tt where T is the allele for tall trait and t is the trait for small. T will be expressed more.
Dominant
Stasis
Dihybrid
Incomplete Dominance
38. Are noncoding sequences in the gene that are removed from RNA after transcription
introns
Speciation
Genotype
Sequential Evolution
39. shape of a DNA molecule formed when two twisted DNA strands are coiled into a springlike structure and held together by hydrogen bonds between the bases.
Double Helix
Allopatric Speciation
Hershey and Chase
Allele Frequency
40. Middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs - rise of flowering plants
Sexual Selection
Mesozoic era
Allele Frequency
Somatic
41. An organism that has characteristics resulting from chromosomal alteration. This is a result of crossing over of the chromosomes during Meiosis - mutations and random segregation.
Isolating Mechanism
Translocation
vestigial (Evolution Evidence)
Variation
42. Cell division in which the nucleus divides into nuclei containing the same number of chromosomes. Mitosis involves growth and repair and occurs in the body cells.
Deme
Disruptive Selection
DNA
Mitosis
43. Recognize and cut DNA at specific sequences usually palindromes
nucleus
stop codon
restriction enzyme
Dominant
44. Three dimensional shape of organism made from a mold. May be created with plaster or over time with minerals.
Ring Species
Cast
Genetic Drift
Histone
45. How many codons are needed to specify three amino acids
tRNA
three
Meiosis
that is complementary to a single strand of DNA
46. The structure on a tRNA molecule that allows it interact with an mRNA molecule
anticodon
Absolute dating
Gene Flow
Mechanical (morphological) Isolation
47. Term used to refer to an organism that has two identical alleles for a particular trait. e.g TT is the homozygous genotype for Tall.
deoxyribonucleic acid
embryological evidence
Substitution
Homozygous
48. Ribosomes are made of...
Monophyletic
Fossils
rRNA
Phenotype
49. Visual expression of a trait
Phenotype
Speciation
Insertion
translation
50. Found only in that country
Adaptation
Endemic
Microevolution
tRNA