Deana is studying the karyotype of an unknown human donor. she observes that in each of the chromosome pairs, the two chromosomes have the same size and shape. what can deana conclude from these observations? a. the donor is female. b. the donor is male. c. the donor will express only the dominant forms of traits. d. the donor will express only the recessive forms of traits.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!