Question

Sex determination on the basis of fertilization are of how many types :-

Answer 1

Answer:

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Sex determination on the basis of Fertilization are of three types :-

1. Progamic -

Sex is determined before Fertilization

eg - drone in honey bee

2. Syngamic -

Sex is determined during Fertilization

eg - most of plants and animals

3. Epigamic -

Sex is determined after Fertilization

eg - Female in honey bee

Hope this will help uh!!

Answer 2

types of sex determination by in inheritance:

1. HOMOLOGOUS CHROMOSOMES:

Homologous chromosomes are pairs of identical chromo­somes with similar gene loci carrying similar or different alleles.

2. genomes (gk. genos- offspring):-

Genome is the complete but single set of chromo­somes as found in gametes or gametophyte cells where each chromosome (as well as each gene) is represented singly. The condition of having a single genome or set of chromosomes is called monoploid.

3. SEX CHROMOSOMES AND AUTOSOMES:

Sex chromosomes are those chromosomes which singly or in pair determine the sex of the individual in dioecious or unisexual organisms. They are called allosomes