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GCSEAQA - Combined ScienceGradeMaterialsFor this paper you must have:RulerPencil and RubberScientific calculator, which you are expected to use when appropriateInstructionsAnswer all questionsAnswer questions in the space providedAll working must be shownInformationThe marks for the questions are shown in bracketsName:BIOLOGYMarkDate:B6 - Test 1 INHERITANCE, VARIATION AND figure below shows flamingos. Flamingos are birds. They have long can walk in deep water and use their long necks to reach food in the mud. How would Darwin have explained the evolution of the flamingo s long neck?Use the correct answer from the box to complete each sentence. mutationnatural selectionsexual reproductionvariationIn a population of flamingos there are birds with different lengths of range of differences in neck length is called _____.
(b)€€€€€Figure 1 shows the inheritance of hair colour in one family. € (i)€€€€€€Brown hair is caused by a dominant allele, B. Red hair is caused by the recessive allele, b. What combination of alleles does person 1 have? € Tick (7 ) one box. € BB Bb bb (1) Page 2 of 20. www.examqa.com
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