Master Genetics concepts with free TEAS practice questions and detailed rationales. Use these questions to reinforce your understanding and improve your score on the TEAS exam.
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Free Genetics practice questions for the TEAS exam with detailed rationales.
Question 3 of 13
Which of the following explains why a male is more likely to express a trait like color blindness, which is caused by an X-linked recessive allele?
Males have two X chromosomes, doubling the chance of inheriting the recessive allele.
Males have one X chromosome, so a single recessive allele causes the trait.
Males lack a Y chromosome, which protects against recessive traits.
Males inherit only dominant alleles on their X chromosome.
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