Genes and chromosomes are found in pairs in__________cells.

Hemoglobin is present in_______cells.

Sex chromosomes are found in the cells of :

How many chromosome pairs are found in human cells ?

If each cell of the spore tetrad has 7 chromosomes, how many chromosomes are found in a dividing root tip cell in anaphase?

If each cell of the spore tetrad has 7 chromosomes, how many chromosomes are found in a dividing root tip cell in anaphase?

How many pairs of sex chromosomes are found in the somatic cells of the human being?