A) hybrid B) dominant C) homozygous D) heterozygous Answer:Â C) homozygous Explanation: Two identical alleles of a gene present on homologous... View Article
A) possible only when all the four grandparents had normal vision B) possible only when mother’s father was colour blind C) possible only... View Article
A) Xanthine oxidase B) Tyrosinase C) Fructokinase D) Catalase Answer:B) Tyrosinase Explanation: Albinism is caused due to the lack of melanin... View Article
A) A and A B) A and B C) AB and O D) B and O Answer:C) AB and O Explanation: Children inherit two alleles of a gene from both parents. Parents... View Article
A) recombination of linked alleles B) segregation of alleles C) linkage between genes D) dominance of genes Answer:A) recombination of linked... View Article
A) pleiotropy B) pseudodominance C) epistasis D) none of these Answer:A) pleiotropy Explanation: When a single gene influences multiple... View Article
A) skin colour B) sickle cell anaemia C) phenylketonuria D) colour blindness Answer:A) skin colour Explanation: Skin colour is an example... View Article
A) segregation B) dominance C) mutation D) epistasis Answer:D) epistasis Explanation: When a gene masks the phenotypic effect of another... View Article
A) Green colour in seed coat B) Terminal position of flower C) Green pod colour D) Wrinkled seeds Answer:Â C) Green pod colour Explanation:... View Article
A) genes are linked and located on same chromosome B) genes are located on homologous chromosomes C) genes are located on non Âhomogenous... View Article
A) polygene B) epistasis C) complementary gene D) non complementary gene Answer:Â C) complementary gene Explanation: Complementary genes are... View Article
A) sex linked recessive B) sex linked dominant C) autosomal dominant D) sex limited character Answer:B) sex linked dominant Explanation: It is... View Article
A) it expresses its effect only in heterozygous condition B) it expresses its effect only in homozygous state C) it never expresses its effect... View Article
A) reciprocal cross B) test cross C) reverse cross D) dihybrid cross Answer:Â A) reciprocal cross Explanation: Reciprocal cross is done to... View Article
A) Five B) Six C) Four D) Seven Answer:Â C) Four Explanation: The seven contrasting pairs of characters studied by Mendel are present on four... View Article