When an F1 plant undergoes meiosis, what gamete types will it produce, and in what proportions? Top 1000 Questions Parents - YY yyF1 - YyWhen an F1 plant undergoes meiosis, what gamete types will it produce, and in what proportions?Answer: 1/2 Y and 1/2 y Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+