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.
1 Male Gouldians with various color mutations can cost $100 to $150 each, while females are anywhere from $125 to $150 each. 2  Pairs cost from $150 to $300. 3  For instance, a 5-inch Lady Gouldian Finch weighing around 16-17 grams can cost $50 â $250, depending on mutation.