Questions in genetics

Select	Question
	All the sons are haemophilic and daughter are normal of a haemophilic father and normal mother. This character is
	In human the inheritance of sex linkage takes place through
	Haemophilia is more commonly seen in human males than in human females because
	A son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be
	Most studies on human genetics have been made through
	Given below is a pedigree chart of a family with five children. It shows the inheritance of attached earlobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals. Which one of the following conclusions drawn is correct
	If a character is always transmitted directly from a father to all his sons and from their sons to all their sons, then which chromosome carries the gene for the character
	A normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion
	A colourblind daughter is born when
	What is the cause of haemophilia