The extra X chromosome is received from mother.
<h3><u>Explanation</u>:</h3>
Klinefelter's syndrome is the condition of chromosomal aberration where the person has an extra X chromosome. This means the genotype of the person is 44+XXY and the total chromosome number is 47. This condition is achieved due to inappropriate meiotic division and one of the sperm or ovum has the an extra X chromosome.
Here both the parents are normal in terms of colour vision. So the father cannot have the gene of colour blindness because if it was present, then father would have been colour blind because he has only one X chromosome per cell. So its present in mother who is heterozygous in terms of colour blind gene. So the extra X chromosome also came from her which made the presence of two defective X chromosomes in the offspring and made it colour blind.
The right option is c. narcotic
Tylenol
iii with codeine belongs to the group of medications called narcotic analgesics
(pain relievers). Narcotics are drugs that are administered to provide relief
from severe pain. Narcotics are sometimes prescribed when other forms of pain
relievers are not working. Examples of narcotics are hydrocodone, codeine, tramadol
and opium.
Increased population size will result in the extinction of a species of organisms.
<h3>What is Extinction?</h3>
This is defined as the dying out or disappearance of species as a result of various factors.
When population size increases, it leads to unavailability of food and reduction of species due to starvation and death.
Read more about Extinction here brainly.com/question/1027555
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Two functions of the skeleton system are:
- It is a support structure for the body
- It provides protection our internal organs
