Answer:
B is the right option: I. and III.
Explanation:
In the Fugate family, four children out of seven had a blue complexion. This means that four children expressing such genes that cause blue complexion. These traits are not very common means the family has some hereditary background. According to the doctor, the occurrence of the condition is rarely seen that explains blue complexion does not appear due to environmental change or traveling.
Through the process of meiosis. During meiosis, crossing-over occurs and increases genetic diversity. The haploid cells formed from meiosis (sperm or egg) have half the chromosomes so when the two meet they combine and share different chromosomes.
Xx - female. Xy - male. egg already has an X chromosome so it depends on the other. If second one is X than it's a girl. If Y - a boy
Answer:
c. pituitary gland
Explanation:
The hypo(below) thalamus is an almond size structure located superiorly to the brainstem. it is located below the thalamus. Hence the name hypothalamus.
It is primary function is is to control the body homeostatic functions of sleeping and waking up, sex, thirst and hunger etc.
It performs these roles by serving as the primary link of the nervous system with the endocrine system. Pituitary gland is an example of endocrine gland that secrets many hormones. (they are called endocrine because the hormones are secreted directly into the blood streams.
<u>Its activities are controlled by the nervous stimulation from hypothalamus. Therefore the instructions to secretes certain hormones to the post and anterior part of the pituitary gland depends on the hypothalamus.</u>
Growth hormones, oestrogen, and thyroid are examples of hormones of the pituitary glands.
Lamarck's hypothesis of evolution was based on the theory of acquired inheritance.
