The locations and positions of genes on chromosomes are known as

  • loci
  • Deoxyribonucleic acid (DNA)
  • nucleus
  • none of above

The characteristic or trait of cell or organism is made by

  • genes
  • chromosomes
  • proteins
  • Deoxyribonucleic acid (DNA)

A cross in which only one trait is studied at a time is

  • dihybrid
  • trihybrid
  • monohybrid
  • Polyhybrid

Genes are the special factors which control the

  • expression of trait
  • nature of trait
  • colour of trait
  • kind of trait

The body cells have a constant number of

  • genes
  • paired chromosomes
  • unpaired chromosomes
  • Deoxyribonucleic acid (DNA)

The alleles that are represented by capital letters are

  • dominant allele
  • recessive allele
  • hybrid allele
  • monohybrid allele

The kind of breeding which is intended for a particular combination of traits is classified as

  • artificial selection only
  • selective breeding only
  • traits breeding
  • artificial selection and selective breeding

The important source of variations are

  • genes
  • chromosomes
  • inheritance
  • mutations

The trait "wrinkled seeds" was declared by Mendel as

  • dominant
  • recessive
  • genotype
  • phenotype

The expression of the genotypes in the form of a particular trait is called

  • monohybrid genotype
  • translated genotype
  • phenotype
  • hybrid genotype

The process in which the ribosome reads the sequence and joins specific amino acids according to it to form a protein is called?

  • translation
  • transcription
  • duplication
  • replication

The nitrogenous base guanine of one nucleotide made the pair in another nucleotide with

  • adenine
  • thymine
  • hydrogen
  • cytosine

The allele that prevents the expression of the other is called

  • recessive allele
  • dominant allele
  • loci
  • phenotype

The theory which states that the present form of organisms is created only a thousand years ago is called the theory of

  • special creation
  • special selection
  • artificial selection
  • special dominance

The cross in the first filial generation produces the generation called

  • F1 generation
  • G2 generation
  • F2 generation
  • G1 generation

The result of incomplete dominance leads to

  • ternary phenotype
  • ternary genotype
  • intermediate phenotype
  • intermediate genotype

The book of Charles Darwin "On the Origin of Species " was published in

  • 1868
  • 1859
  • 1862
  • 1864

What is present on the outside of double helix?

  • nitrogenous base
  • phosphate-sugar backbone
  • nucleotides
  • ribose sugar

The example of human blood group AB is classified as the best example of

  • dependent assortment
  • co-dominance
  • dominance
  • segregation

Special factors in organisms which control the expression of traits and their transmission to the next generations are called

  • Deoxyribonucleic acid (DNA)
  • chromosomes
  • genes
  • amino acids

The example of discontinuous variation is

  • blood groups
  • feet size
  • weight
  • height

ABO blood group is controlled by gene

  • M
  • N
  • I
  • AB

The types of genotype include

  • homozygous genotype only
  • heterozygous genotype only
  • nucleosomes genotype
  • homozygous and heterozygous genotype

The Gregor Mendel was a priest in

  • Copenhagen
  • Austria
  • Australia
  • Denmark

The plants that are bred in artificial selection are classified as

  • traitors
  • breeds
  • karyotin
  • cultivars

A condition when a gene masks the expression of other is

  • recessive
  • dominance
  • incomplete dominance
  • complete dominance

Adenine of one nucleotide forms pair with

  • guanine
  • cytosine
  • uracil
  • thymine

The scientific name of peas is

  • pisum sativum
  • prunus amygdalus
  • malus domestica
  • maclura pomifera

A diploid organism has how many alleles per site?

  • 1
  • 2
  • 3
  • 4

What is the term used for a genotype in which the gene pair contains two identical alleles?

  • homozygous genotype
  • heterozygous genotype
  • heterozygous phenotype
  • homozygous phenotype
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