1. 4 to 12%
2. 3 or 9%
3. 9%
4. 3%
4 to 12\%
1. 40 map units
2. 7 units
3. 12 map units
4. 48 map units
12 map units
1. Strength of linkage between two successive genes is inversely proportional to distance between genes
2. Genes lie in a linear order in the chromosomes
3. Linked genes are arranged in cis or trans manner.cis-arrangement brings coupling(parental combinations) while trans-arrangements brings recombinations(repulsions)
4. All of the above
All of the above
1. 0%
2. 100%
3. 50%
4. 2.5%
0\%
1. a,b,c,d
2. a,c,b,d
3. d,b,a,c
4. a,d,b,c
a,c,b,d
1. It is due to male hormone and genes are not involved
2. Baldness genes are located on Y-chromosome
3. Genes of baldness are autosomal but influenced by androgens
4. Genes of baldness are located on X-chromosome only
Genes of baldness are autosomal but influenced by androgens
1. Son resembles mother and daughter resembles father
2. Both son and daughter resemble mother
3. Both son and daughter resemble father
4. Son resembles father and daughter resembles mother
Son resembles mother and daughter resembles father
1. 75%
2. 505
3. 100%
4. Lower than 50%
Lower than 50\%
1. The creator designed it that way
2. The catastrophes eliminated short-necked forms
3. Its ancestors stretched their necks to get food
4. Ancestral giraffes with' slightly longer necks than others got more food and left more surviving offsprings
Ancestral giraffes with' slightly longer necks than others got more food and left more surviving offsprings
1. Supported Darwin's theory of natural selection.
2. Proved that the tail is an essential organ of vertebrates.
3. Disproved de Vries mutation theory.
4. Showed that Lamarck was wrong in his theory of inheritance of acquired characters.
Showed that Lamarck was wrong in his theory of inheritance of acquired characters.