Tay-Sachs is a genetic disorder that destroys nerves and is lethal by age 5. In the Ashkenazi Jewish population, about 1/25 of all individuals are carriers for this recessive disease and are unaware of it. What is the estimated chance of having a child with Tay-Sachs in the Ashkenazi Jewish population?

Which properties describe all matter?

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.