How might it be possible for you to show a trait that neither of your parents have

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

The ruiz family is exchanging euros for us dollars. the exchange rate is 1 euro equals 1.35261 usd. since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio

Ascientific idea becomes valid when it is what?