1. father colorblind mother carrier
2. father colorblind mother normal
3. both normal
4. father normal mother carrier
father colorblind mother carrier
1. change in autosomes
2. change in sex chromosomes
3. mutation due to malnutrition
4. both change in sex chromosomes and autosomes
change in autosomes
1. gynaecomastism
2. feminisation
3. gynochorism
4. gynosism
gynaecomastism
1. 4
2. 45
3. 28
4. 27
27
1. dihybrid cross only
2. monohybrid cross only
3. both dihybrid and monohybrid cross
4. dihybrid but not monohybrid
both dihybrid and monohybrid cross
1. always follow criss-cross inheritance
2. never follow criss-cross inheritance
3. may be present on Y-chromosome
4. only present on X-chromosome
always follow criss-cross inheritance
1. present on X-chromosome
2. present on autosomes
3. present on short arm (p) of Y-chromosome
4. present on long arm (q) of Y-chromosome
present on X-chromosome
1. autosomal linked disease
2. X-chromosomal linked disease
3. Y-chromosomal linked disease
4. none of these
X-chromosomal linked disease
1. haemophilia
2. cataract
3. sickle cell anaemia
4. color blindness
cataract
1. when more than two alternate forms of genes are found at same loci
2. when more than two alternate forms of genes are found at different loci
3. when one gene occurs in two chromosomes
4. none of these
when more than two alternate forms of genes are found at same loci