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Which of the following is incorrect regarding ZW-ZZ type of sex determination? |
It occurs in some reptiles and birds. Females are homogametic and males are heterogametic 1:1 sex ratio is produced in the offsprings. All of these |
Females are homogametic and males are heterogametic |
The correct answer is Option (2) - Females are homogametic and males are heterogametic . The incorrect statement regarding ZW-ZZ type of sex determination among the options provided is: "Females are homogametic and males are heterogametic." Females are heterogametic and males are homogametic in ZZ-ZW type of sex determination .Because of having heteromorphic sex chromosomes, the females are heterogametic (female heterogamety) and produce two types of eggs, (A+Z) and (A+W). The male gametes or sperms are of the one type (A+Z). 1:1 sex ratio is produced in the offspring. |
