Advertisements
Advertisements
प्रश्न
Write the types of sex-determination mechanisms the following crosses show. Give an example of each type.
(i) Female XX with Male XO
(ii) Female ZW with Male ZZ
उत्तर
(i) The type of sex determination mechanism shown in female XX with male XO is male heterogamety.
Example- Humans
(ii) The type of sex determination mechanism shown in female ZW with male ZZ is female heterogamety.
Example- Birds
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with suitable word :
Genes always work in ................ .
Both father and mother have the genes Ee in their cells. What colour are their eyes?
Name any two genetic in humans.
Answer the following question:
How is sex determined in human beings? Explain with the help of a diagram.
How drones are produced in honey bees?
A trait in an organism is influenced by
The number of pair (s) of sex chromosomes in the zygote of humans is
In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic?
What is the probability of a girl or a boy being born into a family? Justify your answer.
A zygote which has Y chromosome inherited from the father will develop into a ______.