Identify the correct statement :
Female of many birds has a pair of similar ZZ chromosomes, while the males possess a pair of dissimilar ZW chromosomes.

Identify the correct statement : (a) Female of many birds has a pair of dissimilar ZW chromosomes, while the males posses a pair of similar ZZ chromosomes.

In which female has a pair of XX chromosomes

In Drosphila female has a pair of chromosomes

Identify and write the correct statement : (a) Drosophila male has one X and one Y chromosome. (b) Drosophila male has two X chromosomes.

How many pairs of homologous chromosomes are present in male Drosophila?

Maize has 10 pairs of chromosomes.How many linkage groups does it have ?

A pair of chromosomes carrying dissimilar alleles for a particular character.

A male honeybee has 16 chromosomes whereas, its female has 32 chromosomes. Give one reason.

A male honeybee has 16 chromosomes whereas, its female has 32 chromosomes. Give one reason.

Identify and write the correct statement: (a) In Grasshopper males two sex chromosomes are X and Y types (b) In Grasshopper males there exist XO type of sex-determinants.