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