Draw a table that is 2x2. On the top, write a capital R over on box and a lowercase r over the second. On the side, write a lowercase r next to one box and another lowercase r by the other. The top left box would have Rr. The top right would have rr. The bottom left would have Rr and the bottom right would have rr. The probability would be 50%. There is a 50% chance of having wrinkled seeds
Homozygous means "the same" and Heterozygous means "different". If a pheno type is homozygous, for example, it could be XX or xx, while heterozygous could be Xx. Hope that helps.
C.) Scanning electron microscope. You would not be able to see a whole insect with one of these.
Hope this helped :)
Many disorders can be heritable through the generation. Knowing the patterns of disorder heredity, either it is dominant or recessive, autosomal or sex-linked is a great advantage in making a diagnose. It should be taken into consideration that some diseases can be influenced by environmental factors. For example, a person knows its parents had high blood pressure. That person has a predisposition for high blood pressure too. But, since heredity and family medical history is known, that person can prevent the appearance of the disease by taking care of its condition, performing physical activities, avoiding smoking, fat diet, etc.
