Joe’s friend says he thinks that Joe doesn’t have Marfan syndrome because he has hair and eyes like his father’s and acts more like his father, and his father doesn’t have Marfan syndrome. Based on what you have learned so far, do you agree with Joe’s friend that Joe is unlikely to have Marfan syndrome? Explain in terms of what you know about the inheritance of genes and chromosomes.

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.