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Multiple Choice
Which of the following statements is correct regarding the human X chromosomes?
A
The X chromosome is present only in females.
B
Males have two X chromosomes.
C
The X chromosome is the smallest human chromosome.
D
The X chromosome carries genes that are essential for both males and females.
Verified step by step guidance
1
Understand that the X chromosome is one of the two sex chromosomes in humans, the other being the Y chromosome.
Recognize that both males and females have X chromosomes. Females have two X chromosomes (XX), while males have one X and one Y chromosome (XY).
Acknowledge that the X chromosome is not the smallest human chromosome; chromosome 21 is actually the smallest.
Consider the genetic importance of the X chromosome: it carries genes that are crucial for various bodily functions and development in both males and females.
Conclude that the correct statement is that the X chromosome carries genes that are essential for both males and females, highlighting its universal importance across genders.