A. Because we have two legs and cockroaches have three pairs of legs, the equivalent action for us would be going from lying to standing. We also have a high center of gravity, and righting or standing becomes more challenging as we age. Despite this similarity, there are many striking differences that affect mobility.
1 On average, the cost of choosing a gender is going to greatly depend on the type used. 2  Sperm sorting, for instance, can cost as little as $1,000 to $3,000 per each attempt, while an IVF can cost at least $12,000 to $25,000 per attempt. There are two common types of gender selection methods: sperm sorting and in vitro fertilization with preimplantation genetic diagnosis. 2  Sperm sorting is a technique that has been used for more than 30 years now.
Gender selection was commonly available in Australian IVF clinics until the NHMRC came out against the practice in its 2005 ethical guidelines. A 2013 Roy Morgan poll found only one in five Australians supported gender selection.