SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
PCAT Biology Genetics
Start Test
Study First
Subjects
:
pcat
,
biology
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. Dominant allele is expressed in the phenotype
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
2. Recessive genes that are carried on the X chromosome will produce the recessive phenotypes whenever they occur in men because no dominant allele is present to mask them -ex: hemophilia and color blindness
Sex Linked Recessives
Point Mutation
Backcross
Environmental Factors
3. Include incomplete dominance - and codominance
Leading Strand
Non-Mendelian Inheritance Patterns
Drosophila Melanogaster
Bacteriophage
4. Structural component of ribsomes and is the most abundant of all RNA types -synthesized in the nucleolus
Virulent
Ribosomal RNA (rRNA)
DNA Replication
Peptide Bond
5. Occurs when linked genes are separated
Point Mutation
Recombination
Alleles
Purines
6. Daughter strand that is continuously synthesized by DNA polymerase in the 5'->3' direction
Elongation
Frameshift Mutation
Leading Strand
Purines
7. Location of genes on DNA
Chromosomes
Operon
Parental (P Generation)
Alleles
8. Genes that are located on the X or Y chromosome -in humans - most are located on the X
Sex Linked
Regulator Gene
Promoter gene
Monocistronic
9. Induce mutations -include cosmic rays - X rays - UV rays - and radioactivity
Transformation
Mendel's First Law: Law of Segregation (Four Principles)
Elongation
Mutagenic Agents
10. Basic unit of DNA - which is composed of deoxyribose (a sugar) bonded to both a phosphate group and a nitrogenous base -bases: purines and pyrimidines
Okazaki fragments
Point Mutation
Bacterial Genome
Nucleotide
11. Synthesized discontinuously in the 5'->3' direction (since DNA polymerase synthesizes only in that direction) as a series Okazaki fragments
Lagging Strand
Frameshift Mutation
Transformation
Point Mutation
12. System where the repressor binds to the operator - forming a barrier that prevents RNA polymerase from transcribing the structural genes
Inducible Systems
Synonyms
Heterozygous
Translocation
13. Pairs of homologues in sexually differentiated species
Transcription
Autosomes
Dominant Allele
Varions
14. Genetic makeup of an individual
Genotype
Plasmid
Operon
Mendel's Second Law: Law of Independent Assortment
15. Progeny phenotypes are apparently blends of the parental phenotypes
Messenger mRNA
tRNA Job
Incomplete Dominance
Sex Linked Recessives
16. Ribonucleic acid -polynucleotide structurally similar to DNA except that its sugar is ribose -contains uracil instead of thymine -usually single stranded -found in both nucleus and cytoplasm -several types are involved with mRNA - tRNA - and rRNA
Non-Mendelian Inheritance Patterns
RNA
Peptide Bond
Point Mutation
17. Formed between the amino acid attached to the tRNA in the A site and the fmet attached to the tRNA in the P site
Genetic Code
Recessive Allele
Genetics
Peptide Bond
18. Degeneracy/redundancy of the genetic code since there are 64 different codons and only 20 amino acids
Recessive Allele
Monocistronic
Promoter gene
Synonyms
19. May infect other bacteria and introduce new genetic arrangements through recombination with the new host cell's DNA
Ribosomes
Varions
Ribosomal RNA (rRNA)
DNA
20. Base sequence of mRNA is translated as a series of triplets
Codons
Aminoacyl-tRNA synthetase
Genetic Code
Dominant Allele
21. Carries the complement of a DNA sequence and transports it from the nucleus to the ribosomes -assembled from ribonucleotides that are complementary to the 'sense' strand of the DNA -monocistronic
Heterozygous
Purines
Messenger mRNA
Antibody resistance
22. Adenine and guanine
Mutagenic Agents
Transformation
Purines
Crosses
23. Sugar-phosphate chains on the outside of the helix and the bases on the inside -C-G - T-A -AKA Watson Crick DNA model
Ribosomes
Double-Stranded Helix
Genetic Code
Non-Mendelian Inheritance Patterns
24. Complementary to one of the mRNA codons
Anticodon
Promoter gene
Pyrimidines
Purines
25. Occurs when fragments of the bacterial chromosome accidentally become packaged into viral progeny produced during a viral infection
Genetic Code
Transduction
Recessive Allele
DNA
26. Organisms that carry two different alleles
Dihybrid Cross
Heterozygous
Mutable
Aminoacyl-tRNA synthetase
27. Double stranded DNA molecule unwinds and separates into two single strands
Chromosomal Breakage
DNA Replication
Start Codon
Ribosomes
28. Changes in the genetic information of a cell coded in the DNA -if occured in the somatic cells - it can lead to tumors in an individual
Transcription
Punnet Square Diagram
Mutations
Non-Mendelian Inheritance Patterns
29. Language of DNA consists of four letters: A -T -C -G -language of proteins consists of 20 'words': 20 amino acids -universal for almost all organism
Recombination
Missense Mutation
Purines
Genetic Code
30. Short segments from lagging strand
Okazaki fragments
Incomplete Dominance
Testcross
Genetics
31. Only one trait is being studied in this particular mating
Mutagenic Agents
Monohybrid Cross
Frameshift Mutation
Mendelian Genetics
32. Silent allele -usually assigned capital letters
Phenotype
Missense Mutation
Episomes
Recessive Allele
33. True-breeding individuals (which - if self-crossed - produce progeny only with the parental phenotype) with different traits - mated them - and statistically analyzed the inheritance of the traits in the progeny
Inducible Systems
Binary fission
RNA
Crosses
34. Nucleic acids are deleted or inserted into the genome sequence (lethal)
Heterozygous
RNA
Frameshift Mutation
Transcription
35. Virus that infcts its host bacterium by attaching to it - boring a hole through the bacterial cell wall - and injecting its DNA while its protein coat remains attached to the cell wall and enters the host in either a lytic cycle or a lysogenic cycle
Bacteriophage
Okazaki fragments
Termination Codons
Mendel's Second Law: Law of Independent Assortment
36. Nucleic acid is replaced by another nucleic acid
Point Mutation
Termination Codons
Lysogenic Cycle
Antibody resistance
37. Expressed allele -usually assigned capital letters
Nucleotide
Dominant Allele
Anticodon
Bacteriophage
38. Each new daughter helix contains an intact strand from the parent helix and a newly synthesized strand
Semiconservative
Peptide Bond
Recombination
Inducer-Repressor Complex
39. New codon may code for the same amino acid
Lagging Strand
Recombination
Point Mutation
Silent Mutation
40. TRNA binding site for ribosomes to attach to the growing polypeptide chain (peace out site)
Bacterial Genome
Translocation
P-site
Nucleotide
41. New codon may be a stop codon
Polypeptide Synthesis
Lytic Cycle
Nonsense Mutation
Nucleotide
42. System where the repressor is inactive until it combines with the corepressor
Operator Gene
Repressible Systems
Translation
Double-Stranded Helix
43. May occur spontaneously or be induced by environmental factors
Repressible Systems
Synonyms
Chromosomal Breakage
Point Mutation
44. Organisms that contain two copies of the same allele
Transfer RNA (tRNA)
Homozygous
Environmental Factors
DNA Replication
45. Diagnostic tool to determine the genotype of an organism -Only with a recessive phenotype can genotype be predicted with 100% accuracy -if dominant phenotype is expressed - the genotype can be either homozygous dominant or heterozygous -used to deter
Gene
Nonsense Mutation
Testcross
Missense Mutation
46. (AUG) ribosome scans the mRNA until it bonds to this (methionine) and UAC on anticodon of tRNA
Start Codon
Mutagenic Agents
Varions
Operator Gene
47. (UAA - UAG - or UGA) terminates polypeptide synthesis
Missense Mutation
Termination Codons
Chromosomes
Mendel's Law of Dominance
48. Small circular rings of DNA which contain accessory genes
Heredity
Crosses
Genetic Code
Plasmids
49. Transfer of genetic material between two bacteria that re temporarily joined
Mutable
Phenotype
Anticodon
Conjugation
50. Genes on the same chromosome will stay together unless crossing over occurs -crossing over exchanges information between chromosomes and may break the linkage of certain patterns
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests