what is sex determination ? state the various methods of sex determination in animals.
Answers
Answer:
a sex determination system is a biological system that determines the development of sexual characterstics in an organism that create their offspring using sexual reproduction have two sex es occasionally their are hermaphrodites in place of one both sex
Sex determination:- Establishment of sex through differential development in an individual at an early stage ot life is known as sex detenhnatton.
There are different methods for sex determination in organisms like allosomic sex determinato
haplodiploidy, genic balance etc.
Sex Determination on the basis of fertilization,
It is divided into three types:-
1. Progamic:- In this, sex is determined before fertilization
Example:- drone in honey bee
2. Syngamic:- Sex is determined during tertilization.
Example:- most of plants & animals
3. Epigamic:- In this, sex is determined alter tertilization.
Example:- Female in honey bee.