The process whereby gametes produced by different sexes of the same species of organism come together is called FERTILIZATION. A gamete is said to be HAPLOID (n) if it contains one set of chromosomes while it is DIPLOID (2n) if it contains two sets of chromosomes.

Hence, if an haploid (n) and diploid (2n) gamete unites, a zygote that is TRIPLOID (3n) emerges or forms. A triploid zygote will have three sets of chromosomes i.e. n + 2n = 3n.

5 0

2 years ago

Atelectasis is caused by occupational exposure to coal dust.<br> a. true<br> b. false

Irina18 [472]

The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream.

6 0

3 years ago

The metabolic disorder in which excessive amounts of growth hormone are secreted during adulthood, resulting in enlarged bones,

mojhsa [17]

The disorder is called Acromegaly. Acromegaly is a chronic metabolic condition described by gradual, easily seen enlargement and elongation of the bones of the face, jaw, and extremities cause by over secretion of the pituitary gland after puberty. It is usually caused due to a tumor of the pituitary gland.

4 0

3 years ago