The eyes work with the brain and other body parts through a series of steps that help you catch a ball. What step takes place right after your eyes send the image of the ball to the brain? Group of answer choices The brain realizes that a ball is coming toward you. The brain sends a message to the muscles in your arms to move. The eyes see the ball. The muscles pull on the bones in your arms as you catch the ball.

The correct answer is A. The brain realizes that a ball is coming toward you.

Explanation

The optical components of the eye are those that allow the formation of the image on the retina and are the following: the cornea, the lens, the pupil, the aqueous humor, and the vitreous humor that allow the formation of an image on the retina. After this, the image is transmitted to the brain through nerve impulses. According to the above, the step after your eyes send the image of the ball to the brain is A. The brain realizes that a ball is coming toward you.

a. the production of carbon dioxide through the process of photosynthesis

an individual’s sex (i.e., whether they are a male or female) is determined by the sex chromosomes. most people have two sex chromosomes, one that is inherited from their mother and one that is inherited from their father. typically, females have two x chromosomes (xx) and males have one x chromosome and one y chromosome (xy). conditions caused by changes (“mutations”) in genes located on the x chromosome are considered x-linked.

x-linked recessive inheritance

most x-linked conditions are recessive. this means that in a person with two x chromosomes (most females), both copies of a gene (i.e., one on each x chromosome) must have a change or mutation whereas in a person with one x chromosome (most males), only one copy of a gene must have a mutation. a female with a mutation in one copy of a gene on the x chromosome is said to be a “carrier” for an x-linked condition. a male with a mutation in a gene on the x chromosome is typically affected with the condition. because females have two copies of the x chromosome and males have only one x chromosome, x-linked recessive diseases are more common among males than females. however, x-linked recessive diseases can occur in both males and females.

for x-linked recessive disorders, an unaffected carrier mother who has a mutation in a gene on the x chromosome can transmit either the x chromosome with this mutation or a “normal” x chromosome to her children. if the father is unaffected, none of her daughters will be affected and all of her daughters will be unaffected—since they will inherit at least one normal x chromosome from their father. however, each daughter will have a 50% chance of being an unaffected carrier like her mother and a 50% chance of both x chromosomes being normal.