how is the equal genetic contribution of male and female parent insured in progeny
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Equal genetic contribution of male and female parents in the progeny is ensured by the equal inheritance of chromosome from each parent. ... Females have 2 X chromosomes and males have a X and Y chromosome. During the process of fertilization, a haploid sperm fuses with a haploid ovum to produce a diploid zygote.
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ɪɴ ʜᴜᴍᴀɴ ʙᴇɪɴɢs, ᴇϙᴜᴀʟ ɢᴇɴᴇᴛɪᴄ ᴄᴏɴᴛʀɪʙᴜᴛɪᴏɴ ᴏғ ᴍᴀʟᴇ ᴀɴᴅ ғᴇᴍᴀʟᴇ ᴘᴀʀᴇɴᴛs ɪs ᴇɴsᴜʀᴇᴅ ɪɴ ᴛʜᴇ ᴘʀᴏɢᴇɴʏ ᴛʜʀᴏᴜɢʜ ɪɴʜᴇʀɪᴛᴀɴᴄᴇ ᴏғ ᴇϙᴜᴀʟ ɴᴜᴍʙᴇʀ ᴏғ ᴄʜʀᴏᴍᴏsᴏᴍᴇs ғʀᴏᴍ ʙᴏᴛʜ ᴘᴀʀᴇɴᴛs. ᴛʜᴇʀᴇ ᴀʀᴇ 23 ᴘᴀɪʀs ᴏғ ᴄʜʀᴏᴍᴏsᴏᴍᴇs ᴀʟʟ ʜᴜᴍᴀɴ ᴄʜʀᴏᴍᴏsᴏᴍᴇs ᴀʀᴇ ɴᴏᴛ ᴘᴀɪʀᴇᴅ.
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