Presence of a single allele of a character in a diploid organism is known as $:$

Give differences: Incomplete dominance and Co-dominance.

Which of the following variations are temporary and have nothing to do with the last or next generation?

Which of the following statements are correct?
$(a)$ The $X$-linked genes are located on the non-homologous region of $X$-chromosomes.
$(b)$ Females with the recessive gene on one $X$-chromosome are carriers.
$(c)$ The carrier female is also severely affected by the disorder.
$(d)$ $Y$-linked genes are located on the homologous region of $Y$-chromosome.
$(e)$ Human males have homomorphic sex chromosomes.
Choose the correct option.

Which one of the following pairs is an example of intergenic interaction?

Why did Mendel's work remain unrecognized for a long time?