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