Inheritance Principles MCQ

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• Which of the following is not an example of a holandric trait?
  ক

  Porcupine skin

  খ

  Hypertrichosis

  গ

  Pattern baldness

  ঘ

  Testes determining factor
• Which of the following is a sex-influenced trait?
  ক

  Antlers in male deer

  খ

  Female or male musculature

  গ

  Porcupine skin

  ঘ

  Pattern baldness
• Which of the following is not an example of sex-limited traits?
  ক

  Milk glands in females

  খ

  Short index finger in male

  গ

  Beard in male

  ঘ

  Deep male voice
• Which of the following does not show an environmental mechanism of sex determination?
  ক

  Grasshopper

  খ

  Bonnelia

  গ

  Crepidula

  ঘ

  Ophryotrocha
• Which of the following shows gynandromorphism?
  ক

  Pigeon

  খ

  Silk moth

  গ

  Butterflies

  ঘ

  Grasshopper
• How does Gynander differ from Gynandromorphs?
  ক

  Gynander can only be a male

  খ

  Gynander can only be a female

  গ

  Gynander has patches of tissues of other sex on it

  ঘ

  Gynander has one half body male and the other half as female
• What is the X/A ratio of super females of Drosophila?
  ক

  1

  খ

  0.67

  গ

  1.5

  ঘ

  0.33
• Y chromosome plays a very significant role in the sex determination of Drosophila.
  ক

  True

  খ

  False
• Which of the following determines is responsible for determining the sex of the bacteria?
  ক

  Plasmid

  খ

  Cytoplasm

  গ

  Core nucleus

  ঘ

  Vacuole
• Accumulation of which of the following in the brain leads to phenylketonuria?
  ক

  Phenylpyruvic acid

  খ

  Pyruvic acids

  গ

  Tyrosine

  ঘ

  Phenylalanine
• Which of the following enzymes is not present in the patients of Phenylketonuria?
  ক

  Somatostatin

  খ

  Testosterone

  গ

  Phenylalanine hydroxylase

  ঘ

  Phenylalanine
• Phenylketonuria is a sex-linked dominant trait.
  ক

  True

  খ

  False
• Which of the following is not a symptom of phenylketonuria?
  ক

  Mental retardation

  খ

  Reduction in hair

  গ

  White urine

  ঘ

  Skin pigmentation
• What is the full form of PKU?
  ক

  Phenyl Ketonic Ubisch bodies

  খ

  Para-keto ulna

  গ

  Phenylketonuria

  ঘ

  Para-keto uremia
• What is the mechanism behind pleiotropy?
  ক

  A single gene controls a single character

  খ

  Effect of a gene on metabolic pathways

  গ

  Effect of multiple genes on multiple pathways

  ঘ

  Effect of multiple alleles on a biochemical pathway
• How is pleiotropy different from polygenic inheritance?
  ক

  A single gene can exhibit multiple expressions

  খ

  A single gene exhibits only a single expression

  গ

  Two genes exhibit a single character

  ঘ

  Multiple genes control a single character
• Genes located on different chromosomes have a high probability of getting recombination than those present on the same chromosome.
  ক

  True

  খ

  False
• Linkage and recombination frequencies have been used to generate ______
  ক

  solutions for global warming

  খ

  genetic maps

  গ

  genetic networks

  ঘ

  mutation maps
• What is the process of the production of non-parental phenotypes called?
  ক

  Linkage

  খ

  Recombination

  গ

  Mutation

  ঘ

  Replication
• What is the physical association of genes located on a chromosome called?
  ক

  Linkage

  খ

  Recombination

  গ

  Mutation

  ঘ

  Replication
• For genes located on the same chromosome, the proportion of parental gene combinations are higher than the non-parental combinations.
  ক

  True

  খ

  False
• What chromosome were the genes located on that were used by Morgan in his dihybrid cross?
  ক

  X chromosome

  খ

  Y chromosome

  গ

  W chromosome

  ঘ

  Z chromosome
• What was the observation made by Morgan based on his dihybrid crosses?
  ক

  Genes segregate independently

  খ

  Genes do not segregate independently

  গ

  Genes disappear

  ঘ

  New genes appear
• Which of the collect cross that was performed by Morgan?
  ক

  Yellow-bodied, white-eyed females with brown-bodied, red-eyed males

  খ

  Yellow-bodied, white-eyed males with brown-bodied, red-eyed females

  গ

  Yellow-eyed, white-bodied females with brown-eyed, red-bodied males

  ঘ

  Yellow-eyed, white-bodied males with brown-eyed, red-bodied females
• What type of crosses were carried out by Morgan on Drosophila?
  ক

  Monohybrid

  খ

  Dihybrid

  গ

  Bihybrid

  ঘ

  Trihybrid
• What is the blood group of the progeny if one parent donates IA allele while the other donates i?
  ক

  A

  খ

  B

  গ

  AB

  ঘ

  O
• If the blood group of an offspring is O, which of the following is not the correct parental genotypes?
  ক

  IAIA, IAIB

  খ

  IAi, IAi

  গ

  IAi, IBi

  ঘ

  ii, ii
• What will be the blood group of a person who has ii as the genotype?
  ক

  A

  খ

  B

  গ

  AB

  ঘ

  O
• Which of the following is the only possible blood group of progeny obtained from parents that have IAIA and IBIB as their genotypes?
  ক

  A

  খ

  B

  গ

  AB

  ঘ

  O
• The mode of inheritance depends on _______
  ক

  gene

  খ

  genotype

  গ

  phenotype

  ঘ

  organism