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UncleCeyth
Middle School
PLEASE HELP ASAP!!!
Scientists know that humans have 46 chromosomes. What would a scientist say about a son who looked more like his mother than his father?
A
He received less than 23 chromosomes from his mother because he received the Y chromosome from his father.
B
He received exactly 23 chromosomes from each parent no matter who he looked like.
C
He received more than 23 chromosomes from his mother because he looked like her.
D
He received all 46 chromosomes from his mother.
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Our People Answers
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ShyzaSling
Answer:
The correct option is B) He received exactly 23 chromosomes from each parent no matter who he looked like.
Explanation:
A person receives half of its chromosomes from the female parent and half from the male parent. This is the reason why sex cells divide by the process of meiosis. Meiosis can be described as a process by which four haploid cells are produced which have half the number of chromosomes as the parent cells. Hence, when the egg cell and the sperm cell unite, the child will have 46 chromosomes.
No matter whether a child looks more like the mother or father, it receives half chromosomes from the mother and half from the father.
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