Explain how sexual reproduction give rise to more viable variation than asexual reproduction. How does this affects the evolution of thos organisms that reproduce sexallu?
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エn asexual reproduction, variations are introduced only at the time of DNA replication when cells divide. But in sexual reproduction, variations are introduced due to:
- Errors or mutual ations introduced during DNA replication.
- Exchange of genes by crossing over during meiosis at the time of gamete formation.
- Chance separation of homologous chromosomes during gamete formation.
- Chance union of male and female gametes at the time of fertilization.
ᴛʜᴇʀᴇғᴏʀᴇ, ᴄʜᴀɴᴄᴇs ᴏғ ᴠᴀʀɪᴀᴛɪᴏɴs ᴀʀᴇ ᴍᴏʀᴇ ɪɴ sᴇxᴜᴀʟ ʀᴇᴘʀᴏᴅᴜᴄᴛɪᴏɴ.
sᴇxᴜᴀʟʟʏ ʀᴇᴘʀᴏᴅᴜᴄɪɴɢ ᴏʀɢᴀɴɪsᴍ ʜᴀᴠᴇ ʙᴇᴛᴛᴇʀ ᴄʜᴀɴᴄᴇs ᴏғ sᴜʀᴠɪᴠᴀʟ.ᴛʜᴇʏ ʜᴀᴠᴇ ʙᴇᴛᴛᴇʀ ᴀᴅᴀᴘᴛᴀʙɪʟɪᴛʏ ᴀɴᴅ ʜᴇɴᴄᴇ, ᴍᴏʀᴇ ᴄʜᴀɴᴄᴇs ᴏғ ᴇᴠᴏʟᴜᴛɪᴏɴ.
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