When antibiotics belonging to the penicillin family were first used, they were very effective against the bacterium, Staphylococcus aureus. Now MRSA, methicillin-
resistant Staphylococcus aureus, is becoming a national health problem. Which
statement best explains the development of MRSA?

6. in domesticated cats, the following are independently assorting: normal ears (t) is dominant to tufted ears (t); curved whiskers (c) is dominant to straight whiskers (c); the presence of six toes (s) is dominant to five toes (s); gene for hair length is an x-linked codominant. the three phenotypes for hair length are long (xhxh), medium (xhxh), and short (xhxh); medium is the heterozygous condition. given two parents: ttccssxhxh x ttccssxhy how many different gametes could be formed in the female cat with respect to these four traits? how many phenotypes are possible in the offspring from this mating?

If animal agriculture was eliminated, how much grain would become available for human consumption?

Wich of the following are manual restraint techniques for dogs