Examples: The gene for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r). A true-breeding round seed plant would be (RR) for that trait and a true-breeding wrinkled seed plant would be (rr).
The integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin,and assorted glands.The most obvious function of the integumentary system is the protection that the skin gives to underlying tissues. The skin not only keeps most harmful substances out, but also prevents the loss of fluids.
of a body system, we will first think about the organs/tissues that work together to perform. the function(s) of that system. The integumentary system consists of a major organ, skin, and many epidermal derivatives. (accessory organs), which include hair follicles, sebaceous glands, sweat glands, and nails. In addition, the organs of the integumentary system are composed of many different tissues. that perform common functions. Look at Figure 6.2, page 162, and name as many different. tissues as you can.