Principles of Inheritance and Variation Biology - Principles of Inheritance and Variation

Explain: pleiotrophy.###Write short note on pleiotrophy.###What is pleiotrophy & explain with one example.

Unsing a Punnett Square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.

Define and design a test-cross.

A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced ?

Explain the inheritance of one gene by Punnett Square ?

Describe Sex Determination in honey bee with diagram.

Explain incomplete dominance in dog flower (snapdragon or Antirrhinum sp.) with the help of a chart.###During monohybrid experiment, in F 2 generation, the ratio of phenotype & genotype remains same - explain by giving suitable example (chart is necessary).

Explain co-dominance in humans with the help of example.

Explain any two X-linked recessive disorder?