1. Homologous chromosomes
2. Alleles
3. Linked genes
4. Genotypes
Alleles
1. Independent assortment
2. Linked genes
3. Pleiotropy
4. Segregation
Segregation
1. How new characteristics originated
2. Whether different characteristics were inherited together or separately
3. How plants and animals adapt to their environments
4. Whether the characteristics influence each other whether the colour affects degree of roundness,for example
Whether different characteristics were inherited together or separately
1. Codominance
2. A dihybrid
3. Pleiotropy
4. Incomplete dominance
Codominance
1. ¼
2. ½
3. None of these
4. All of these
¼
1. Keep careful records of the parents mice
2. Mate it with a brown mouse
3. Mate it with a mouse of its own genotype
4. Mate it with a white mouse
Mate it with a white mouse
1. ¾
2. 9/16
3. 3/16
4. ¼
3/16
1. Zero
2. 1/16
3. 1/8
4. 1/4
1/16
1. In fruitflies,the genes for scarlet eyes and hairy body are located on the same chromosome
2. Matings between earless sheep and long-eared sheep always result in short-eared offspring
3. Wheat kernels can range from white to red in colour,a trait controlled by several genes
4. The human cystic fibrosis gene causes many symptoms,from respiratory distress to digestive problems
The human cystic fibrosis gene causes many symptoms,from respiratory distress to digestive problems
1. Sex-linked and dominant
2. Not Sex-linked and dominant
3. Sex-linked and recessive
4. Not Sex-linked and recessive
Sex-linked and recessive