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Which combination of sex chromosomes is correct for humans? A female XX male XX B female XY male C female XX male XY D female XX male YY Your answer - OCR Gateway - GCSE Biology (Combined Science) - Question 5 - 2019 - Paper 2

Question 5

Which-combination-of-sex-chromosomes-is-correct-for-humans?--A-female-XX-male-XX--B-female-XY-male--C-female-XX-male-XY--D-female-XX-male-YY--Your-answer--OCR Gateway-GCSE Biology (Combined Science)-Question 5-2019-Paper 2.png

Which combination of sex chromosomes is correct for humans? A female XX male XX B female XY male C female XX male XY D female XX male YY Your answer

Worked Solution & Example Answer:Which combination of sex chromosomes is correct for humans? A female XX male XX B female XY male C female XX male XY D female XX male YY Your answer - OCR Gateway - GCSE Biology (Combined Science) - Question 5 - 2019 - Paper 2

Step 1

A female XX

96%

114 rated

Answer

This option is incorrect as it suggests that both genders share the same chromosome combination, which is not the case.

Step 2

B female XY

99%

104 rated

Answer

This option is incorrect because females have the XX chromosome pair, not XY.

Step 3

C female XX

96%

101 rated

Answer

This option is correct as it accurately reflects that females have the XX chromosomes and males have XY.

Step 4

D female XX

98%

120 rated

Answer

This option is incorrect because males have XY chromosomes, not YY.

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