Question detail
If a researcher observes a cell line with a karyotype of 46,XX, what can be inferred about the cell line’s sex?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reproduction
Question
- A. It is male.
- B. It is female.
- C. It is a hybrid of male and female.
- D. It is a cancerous cell line.
Answer
The correct option is It is female.. This answer is correct because it matches the approved learning objective to describe females as having XX sex chromosomes in the subtopic Sex determination.
Explanation
The correct option is It is female.. It is female. is correct because it directly supports the approved learning objective to describe females as having XX sex chromosomes. This belongs to the subtopic Sex determination within Reproduction, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Sex determination.
Common mistake
Misunderstanding Female Chromosomes
Students often confuse the sex chromosomes of females, mistakenly stating that they have XY chromosomes instead of XX.
Remember that females have two X chromosomes (XX), while males have one X and one Y chromosome (XY). Visual aids or diagrams can help reinforce this distinction.
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