Welcome to your Genetic evaloution
1.
Genetic drift is most significant in:
2.
Most acceptable theory of origin of life:
3.
Which process forms new species?
4.
Hardy-Weinberg equilibrium requires:
5.
Trisomy 21 is caused by:
6.
Who proposed mutation theory?
7.
“Use and disuse” was proposed by:
8.
Recombination frequency close to 50% means genes are:
9.
A cross gives 1:1 ratio in offspring. The F1 parent must be:
10.
When a harmful recessive allele increases due to random sampling, it is:
11.
Sickle cell anemia is caused by:
12.
Genotype of AB blood group is:
13.
Which structure demonstrates vestigiality?
14.
Darwin failed to explain:
15.
Which trait shows codominance?
16.
Which stage in evolution is linked to appearance of ozone layer?
17.
Which mutation changes a codon to a stop codon?
18.
Which mechanism restricts gene exchange between populations?
19.
The ratio 9:3:3:1 indicates:
20.
A test cross involves crossing F1 with:
21.
Which best describes Darwin’s natural selection?
22.
Barr body is found in:
23.
Which component of H-W equation denotes genotype frequency of homozygous dominant?
24.
Which evolutionary force introduces new alleles?
25.
Bat’s wing and bird’s wing show:
26.
Turner syndrome has karyotype:
27.
Evidence for evolution from comparative embryology shows:
28.
Which evidence strongly supports organic evolution?
29.
Homologous organs indicate:
30.
Which species concept uses reproductive isolation?
31.
Human height shows continuous variation because it is:
32.
If two genes have 20% recombination, they are:
33.
Founder effect is caused by:
34.
A person with O blood group can receive blood from:
35.
In incomplete dominance, F1 phenotype is:
36.
An example of multiple alleles is:
37.
Which shows maternal inheritance?
38.
Crossing over occurs during:
39.
If p = 0.6, q = 0.4 in H-W law, frequency of pq genotype is:
40.
Which law states two alleles segregate independently?
41.
When allele frequency changes due to migration it is:
42.
Which shows deviation from Mendelian ratio?
43.
Sex-linked recessive traits appear more frequently in:
44.
Which process produces variation essential for evolution?
45.
Law of segregation occurs during:
