443172
Descrição
Quiz por gina_evans0312, atualizado more than 1 year ago
|
Criado por gina_evans0312
mais de 10 anos atrás
|
|
Questão 1
Questão
During Meiosis I, chromosome structure changes only slightly
Responda
- True
- False
Questão 2
Responda
-
Leptotene
-
Xygotene
-
Diplotene
Questão 3
Responda
-
Leptotene
-
Zygotene
-
Pacytene
Questão 4
Responda
-
Leptotene
-
Pacytene
-
Diplotene
Questão 5
Responda
-
Diplotene
-
Pacytene
-
Leptotene
Questão 6
Questão
In which stage of chromosome rearrangement are Rabl and Bouquet formations found?
Responda
-
Zygotene
-
Diplotene
-
Pacytene
Questão 7
Questão
Chromosome movement is vital for pairing
Responda
- True
- False
Questão 8
Questão
Match the word to it's definition- the occurrence of linked genes in non random proportions in members of the population
Responda
-
Linkage disequilibium
-
Mendel's 2nd law
-
The Hardy-Weinberg principle
Questão 9
Questão
Linkage between two genes can only be broken by _
Responda
-
Crossing over
-
Rabl formations
-
Linkage disequilibrium
Questão 10
Questão
Genetic Map Distance = % crossing over
Responda
- True
- False
Questão 11
Questão
Genetic Map distance is measured in
Responda
-
centiMorgans (cM)
-
centiMullers (cM)
-
centiMorays (cM)
Questão 12
Questão
1 cM = ?
Responda
-
1% crossover recombination
-
10% crossover recombination
-
5% crossover recombination
Questão 13
Questão
% Crossing over = [(No of recombinants/total gametes) x 100] x 2
Responda
- True
- False
Questão 14
Questão
How is meiotic recombination initiated?
Responda
-
Double strand breaks
-
Single strand breaks
-
T-T lesions
Questão 15
Questão
Which of the following proteins non-randomly damages the DNA in meiotic cells?
Responda
-
Spo11
-
Spo10
-
Spo
Questão 16
Questão
Once breaks are formed by Spo_, they are monitored by mismatch repair proteins
Responda
- True
- False
Questão 17
Questão
What is the role of mismatch repair proteins?
Responda
-
To monitor induced DNA damage
-
To detect and reverse any incorrect DNA pairings
-
To detect and amplify any incorrect pairings
Questão 18
Questão
The damage to the DNA is done one chromosome at a time
Responda
- True
- False
Questão 19
Questão
Why are the breaks formed useful?
Responda
-
They ensure meiotic cell machinery is working properly
-
They are a precursor to chiasma
-
They prevent meiosis until the cell is ready
-
Ensure the pairing of homologous chromosomes
Questão 20
Questão
Meiosis can proceed happily without the DNA damage occuring
Responda
- True
- False
Questão 21
Questão
All chromosomes will get at least once crossover (known as interference)
Responda
- True
- False
Questão 22
Questão
What is the synaptonemal complex?
Responda
-
A structure that formed between homologous chromosomes during meiosis
-
A structure that formed between sister chromatids during meiosis
Questão 23
Questão
Which of the following are meiosis specific repair proteins?
Responda
-
Spo11
-
EXO1
-
MLH1
-
MLH3
-
Braf
-
C-myc
Questão 24
Questão
Increasing the distance between two genes decreases the chance of a crossover occurring between them
Responda
- True
- False
Questão 25
Questão
Parent Genotypes are homologous for AB & ab respectively
The gametes have the genotypes 35, 15, 15, 35 for AB, Ab, aB and ab respectively
How far apart are AB/ab in cM?
Responda
-
60 cM
-
15cM
-
30cM
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.