XY
Cell Biology, Basic Genetics, Gender Science. Human cells contain 23 pairs of chromosomes for a total of 46. There are 22 pairs of autosomes and one pair of sex chromosomes. Chromosomes determine everything from hair color and eye color to gender. Whether you are a male or female depends on the presence or absence of certain chromosomes.The sex chromosomes are the X chromosome and the Y chromosome. These chromosomes determine gender. In human sexual reproduction, two distinct gametes fuse to form a zygote. The male gametes or sperm cells in humans and other mammals are heterogametic and contain one of two types of sex chromosomes. They are either X or Y. The female gametes or eggs however, contain only the X sex chromosome and are homogametic. The sperm cell determines the sex of an individual in this case. If a sperm cell containing an X chromosome fertilizes an egg, the resulting zygote will be XX or female. If the sperm cell contains a Y chromosome, then the resulting zygote will be XY or male.
The Urban Dictionary Tee
shirt made me cum
Dick Aww man I love this shirt for eating
people shat on my shirt that said shart and im mad they took a shit on it instead of a shart
Necero's shirt i can use this in almost every phrase. This shirt allows me to do some great stuff with my kids and grandkids! i'd love for anyone who says same to get this shirt!
Bad! Why is this T-shirt named shitty fucking??What a bad name it is!Recommend?Never!😡
The shirts are amazing! I will be ordering again. And recommend them to others 🙂
My UD shirts are my favorites. They fit well, last long, and are unique. I always have people reading my back.
Amazing This shirt is SOOOOO comfortable and I love the definition
BEST SHIRT OF ALL TIME THIS IS THE BEST SHIRT OF ALL TIME. LITERAL FUCKING HELL OF A PLACE HAS BECOME A PART OF MY EVERDAY VOCABULARY AND I RECOMMEND IT FOR ANYONE WHO IS FORCED TO SIT IN A PLACE THEY HATE FOR AN HOUR EVERDAY. GO BUY THE MUG, SHIRT, OR SWEATSHIRT NOW!
Awesome tshirt This tshirt is awesome but my name isn't actually Jayson but i bought it for his b-day
good is it very. i like shirt much,,,,, it contabfortable like it i do.
The Fucklix t shirt is perfect but I am still waiting for the xlarge I ordered. These are gifts and will be just what is needed. Hope I receive the xlarge soon then it's time to give them to the people I ordered them for. So glad I saw them . Thanks.
My wife loves it. Nice quality and so funny for the wearer. Thank you!
The shirt fit amazing, package was shipped rather fast! Thank you so much..
It is absolutely perfect and I love wearing it. Thank You.
Love the short mine says bih on it
this shit stays on during sex
Love it! Buyed it for my sister but I had to make it say her favorite anime 💀✨
LOVR THIS SHIRT OML SO CUTEEEEE😍😍😍
mine had gay on it. Instant sex.
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Size Guide
Measurements may vary by up to 2" (5 cm). Pro tip: Measure one of your t-shirts at home and compare!
A - Length
Measure from the top of the collar to the bottom hem
B - Width
Measure across the chest from armpit to armpit
Size Chart
| Size | Length | Width |
|---|---|---|
| XS | 27" | 16½" |
| S | 28" | 18" |
| M | 29" | 20" |
| L | 30" | 22" |
| XL | 31" | 24" |
| 2XL | 32" | 26" |
| 3XL | 33" | 28" |
| Size | Length | Width |
|---|---|---|
| XS | 69 cm | 42 cm |
| S | 71 cm | 46 cm |
| M | 74 cm | 51 cm |
| L | 76 cm | 56 cm |
| XL | 79 cm | 61 cm |
| 2XL | 81 cm | 66 cm |
| 3XL | 84 cm | 71 cm |