Track and field facilities are usually designed as multi-purpose facilities (tracks with playing fields inside). Sports facilities for track and field athletics are generally used for daily training as well as for staging regional or local competitions. The staging of competitions at higher levels normally entails more extensive requirements for the sports facility, particularly in respect of the infrastructure. Generally athletics tracks are multiâÂ­purpose with the interior of the 400m track used as a pitch for soccer, gridiron and rugby.
Parents have two genes for pos/neg blood type, and only one of them needs to be positive for the parent to have positive blood type. Most positive-blooded people have oneâ¦ positive gene and one negative gene. If both positive parents pass on their negative gene, they can have a child with a negative blood type.
Dad's blood type AB means he has A antibodies and B antibodies. The mom's blood type O means she has no antibodies. The child will get either A or B antibodies from the father so there is no way he/she can be O-.mb20and151 Â· 8 years ago.he father has both a and b antigens, the only way to not get one or the other is for neither parent to have the antigens. With an AB father and an O mother, the chances of having each blood type are as follows: A 50% B 50% AB 0% O 0%.