I think it’s masses (I’m not sure)
From what I believe, 50%. The chromosome from the father can either be X or Y, so it’s a chance to carry it in the X gene if the child is a girl. If its a boy, then it has no chance of carrying the gene. Hope this helps
<span>The car is passed by a motorcycle that is moving faster than it which means both the car and the motorcycle is moving in the same direction. Since both object move in the same direction, the relative speed of the motorcycle would be slower. The speed would be:
relative speed= motorcycle speed - car speed
</span>relative speed= 80MPH- 55MPH= 25MPH
