Multiple Choice
If a male human analyzes his X chromosome and finds that it contains 30% thymine, what can he assume about the percentage of adenine on that X chromosome?
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3. Extensions to Mendelian Inheritance
Sex Chromosome
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In humans, how many chromosomes are inherited from the father?
A
22
B
23
C
24
D
46
Verified step by step guidance1
Understand that humans have a total of 46 chromosomes arranged in 23 pairs.
Recognize that one chromosome of each pair comes from the mother and the other from the father.
Since chromosomes are inherited in pairs, the father contributes one chromosome to each of the 23 pairs.
Therefore, the number of chromosomes inherited from the father is equal to the number of chromosome pairs, which is 23.
This includes 22 autosomes and 1 sex chromosome, making a total of 23 chromosomes from the father.
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