1) An ---------- is a specific form of a single gene passed from generation to generation. a) Alleles b) dominant c) recessive 2) One allele is more ---------- than the other and causes the dominant trait to show. a) heterozygous b) recessive c) dominant 3) Each gene has ------ alleles . a) one b) two c) three d) four e) five f) all the answer are not right  4) The gene combinations are called a -------- . a) phenotypes b) recessive c) genotype  d) dominant 5) When a genotype has two identical alleles it is called --------- . a) heterozygous b) alleles c) gene d) homozygous e) all the answer are not right 6) When a genotype has one dominant allele and one recessive allele it is called --------- . a) gene b) heterozygous c) homozygous d) all the answer are not right 7) A ------- allele is represented by a capital letter, while a --------- allele is represented by a lowercase letter a) homozygous ,heterozygous b) heterozygous , homozygous c) recessive , dominant d) dominant , recessive e) all the answer are not right 8) to get a bonus mark  : what is the name of the game subject ? a) biology b) physics c) math d) science e) sport f) all the answer are not right

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