In a diploid organism,the condition where one of the alleles in a pair is present is called.....

Select the incorrect statement$(s)$:

Which of the following characteristics represent 'Inheritance of blood groups' in humans?
$(a)$ Dominance
$(b)$ Co-dominance
$(c)$ Multiple allele
$(d)$ Incomplete dominance
$(e)$ Polygenic inheritance

Select the group of $CORRECT$ statements.
$I$. If phenotype of offsprings shows only the dominant trait then the parent plants are heterozygous.
$II$. $A$ true breeding line shows stable trait inheritance and expression for several generations.
$III$. In mendelian experiment material,contrasting characters can be easily recognized.
$IV$. When a single gene controls two (or more) different traits,it is called polygene.
$V$. When interactions occurs between the alleles of different genes present on the same or different chromosome it is called intragenic interaction.

$A$ gene which suppresses the activity of another gene but does not lie on the same locus is called:

$A$ human male is heterozygous for autosomal genes $A$ and $B$ and is also hemizygous for the $hemophilia$ gene. What proportion of his sperm will be $abh$?