A typical human karyotype has 23 types of chromosomes arranged from largest to smallest. In males and females 22 of these chromosomes look exactly the same and they are called autosomes. The 23rd pair of chromosomes is the sex chromosome which differentiates males from females. Females have 2 copies of the x chromosome. Males have a copy of both x and y chromosome to make the 23rd pair. <span>
<span>Chromosomes can also have abnormalities that result to different conditions and identifiable traits. A most common chromosomal abnormality is the condition called Down Syndrome, where chromosome 21 has a third copy because of an abnormal cell division.</span></span>
Answer:
c) phloem-sieve plate, sieve tube, companion cell
Extreme stress condition is a predisposing factor for respiratory alkalosis.
Respiratory alkalosis is the disruption of body's acid base balance due to high carbon dioxide levels in the body. It is a more common condition in people with rapid and uncontrolled breathing. The symptoms of the disorder include dizziness, bloating, confusion, dry mouth, etc. The pH of the body is generally above 7.45 during respiratory alkalosis.
Stress is the psychological condition where a person takes excessive tension. It can lead to other conditions like anger, nervousness, irritation, etc. Stress can generally cause shortness of breath in a person, eventually leading to respiratory alkalosis.
To know more about respiratory alkalosis, here
brainly.com/question/10889363
#SPJ4
Rhodophytes is the phylum of algae that stores food in the form of floridean starch.
hope this helps
Meiosis benefits the species because it allows genetic variation so you don't look exactly like your mother or father.
