SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 copy of a gene is made during a process called this
restriction enzyme
Population
rRNA
transcription
2. 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.
Analogous Structures (analogies)
body fossils
gel electrophoresis
Variation
3. The structure on a tRNA molecule that allows it interact with an mRNA molecule
anticodon
chromatin
Gene mutation
Comparative anatomy
4. Selection against one end of a range of variation - resulting in a progressive change in allele frequency
Variation
Directional Selection
Recombination
Selection pressure
5. Organisms with similar functions - but different underlying structure. Example: bird and insect wing. These structures do NOT show a common ancestral link.
Cast
Molecular biology
Analogous structures
Vestigial organs
6. Separates DNA by size
Insertion
gel electrophoresis
False genes
vestigial (Evolution Evidence)
7. Similar embryological structures in different species - such as gill slits - may demonstrate that these species share a common ancestor.
Industrial Melanism
Comparative embryology
Independent assortment
embryological evidence
8. Describes a cell - nucleus - or organism that has only one set of unpaired chromosomes
Analogous structures
Natural Selection
Haploid/Monoploid
Biogeography
9. The individuals choice of which mate they will choose. The choice is dependant on what traits the individual finds attractive. e.g some people will want their mates to be smart or pretty.
transcription
Divergent Evolution
Mate Selection
Deletion
10. Movement of alleles into or out of a population due to the migration of individuals to or from the population
Precambrian era
Stabilising selection
Gene flow
Parallel Evolution
11. To create a recombinant DNA molecule - one would have to first cut two DNAs with creating before pasting them together
amino acids
restriction enzymes - sticky ends
Mold
Founder Effect
12. Cell division that produces reproductive cells or gamates.This occurs in the gonads (testicle and ovaries in animals) Here the chromosome number is halved the original amount. (each new cell has a haploid number = n) All daughter cells are not geneti
Meiosis
Adaptive Radiation
Directional Selection
Comparative Anatomy
13. Change in allele frequencies as a result of the migration of a small subgroup of a population
Founder Effect
Homologous Structures
Natural Selection
Petrification
14. Transfer RNA; type of RNA that carries amino acids to the ribosome
tRNA
DNA
Chiasma
nucleus
15. Independent segregation of genes during the formation of gametes
watson and crick
Autosomes
Phenotype
Independent assortment
16. Speciation which does not involve a period of geographical separation
Incomplete Dominance
Hybrid Inviability
Mate Selection
Sympatric Speciation
17. The molecules responsible for bringing amino acids to the ribosome during protein synthesis are
tRNA
Amber
Adenine
Species
18. Because of base pairing in DNA the amount of
cytosine in DNA is about equal to the percentage of guanine molecules
Environment
Mutation
If you lose one then you will still have one to back you up.
19. A point of overlap of paired chromatids at which fusion and exchange of genetic material (crossing over) occurs during prophase I of meiosis.
transcription
cytosine in DNA is about equal to the percentage of guanine molecules
Gene pool
Chiasma
20. Evolution of superficial phenotypic similarity of form as a result of similar selection pressures
Petrification
Gene Flow
homologous (Evolution Evidence)
Convergent Evolution
21. Threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
Analogous Features
Medel worked with _____
Monohybrid
Chromosomes
22. Selection acting against the extremes of a range of variation - resulting in resistance to change in allele frequencies
Centromere
Stabilising
Macroevolution
Genetic Drift
23. Cross where you cross unknown genotype with a recessive
Recessive
Recombination
Test Cross
The cell uses information from mRNA to produce proteins
24. Chromosomes that determine the sex of an individual. These are X for female and Y for male. The female egg is an X while the male sperm can be X or Y
Chromosomes
Clade
Sex Chromosomes
Medel worked with _____
25. Group of similar organisms that can breed and produce fertile offspring
mutation
Fitness
Species
Autosomes
26. Three mRNA nucleotides that code for a specific amino acid
Gametic
Test Cross
introns
codon
27. A model for the evolution of different froms over a long period of time but with only slight chchanges occring between successive generations
Founder effect
Phyletic Gradualism (anagenesis)
Parallel Evolution
Cenozoic era
28. A group of organisms whose members are sufficiently alike to be able to reproduce and produce fertile offspring and who are unable to reproduce with other such groups
Geologic Evolution
Mutation
Species
Immigration
29. DNA is made of...
GATTACA
Molecular biology
nucleotides
Substitution
30. Evolution of living things - based on evidence from the past and present.
restriction enzyme
Organic Evolution
Heritable variation
clinC
31. Closely related species occupying different habitats - niches preventing them from interbreeding
Ecological Barrier
Phyletic Gradualism (anagenesis)
nucleotide
Monohybrid
32. 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.
Bottle neck effect
ribose - phosphate - and a base
mRNA
Homologous pair
33. Evolution of the earth - which is hypothesized to have been formed over 4.6 billion years ago.
Common Ancestor
Ecological Barrier
Geologic Evolution
body fossils
34. Visual expression of a trait
tRNA
Sub - species
Founder effect
Phenotype
35. You mate the unknown genotype with an organism showing the recessive trait. If any of the offspring show the recessive trait - the original unknown parent was heterozygous. If no recessive trats show up - the original parent was homozygous.
Test Cross
Homologous Structures
Amber
hydrogen bonds
36. Mutation where an extra base is added
Endemic
Insertion
polypeptide
Incomplete Dominance
37. Any preserved remains of an organism from the past. Usually found in sedimentary rock.
Fossils
Petrification
Species
Dominant
38. Translation occurs in the...
cytoplasm
Heritable variation
Sexual Selection
Ecological (habitat) Isolation
39. Geologic period that followed the Precambrian;means 'ancient life' - early life (570-286 million years ago); single cell organisms - shells - mollusks - rise of first vertebrates - rise of land plants - amphibians - insects - seed plants - and trees
restriction enzyme
rRNA
Paleozoic era
molecular evidence
40. Organ no longer serves a function
vestigial (Evolution Evidence)
Semi - conservative replication
Chromosomes
Absolute dating
41. The evolutionary process by which a species becomes better suited to its niche.
Adaptation
Stabilising
Species
Divergent Evolution
42. 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.
tRNA
Homozygous
Sex Chromosomes
Petrification
43. An ancestor that two or more descendants have in common
Common Ancestor
Chromosome mutation
Translocation
Macroevolution
44. Is a base found in DNA and RNA. In DNA its partner is Thymine. In RNA its partner is Uracil
Adenine
Cytosine
Medel worked with _____
Sedimentary Rock
45. When a few individuals become isolated from a larger population - this smaller group may establish a new population whose gene pool is different from their source population.
Founder effect
clinC
Clade
Character Displacement
46. Science dealing with DNA and protein synthesis of living organisms. Manipulation of DNA.
chromatin
Molecular biology
Ice
Adaptation
47. 2 alleles for a character separate during the formation of gametes - so that each gamete only carriers one allele for each character
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
48. Which structure contains anticodons
Crossing over
Allele
tRNA
cytosine in DNA is about equal to the percentage of guanine molecules
49. A DNA strand that has the bases CTAATGT forms a complete complementary double helix with
Sympatric Speciation
Population
GATTACA
False RNA
50. The number of times an allele appears in a population
Stabilising selection
three
stop codon
Allele Frequency