Q.1
The sex influenced traits are present in _______________________
  • a) Autosome
  • b) Sex chromosome
  • c) Mitochondrial chromosome
  • d) These are epigenetic traits
Q.2
Sex influenced traits are only related to females.
  • a) True
  • b) False
Q.3
If A is a sex influenced trait that is more expressed in males, then which of the following is false?
  • a) Only male having a homozygous recessive form of this gene will not express it
  • b) No female will express the gene
  • c) The gene is autosomal
  • d) Heterozygous female will not express this gene
Q.4
If present of horn in a breed of sheep is due to the presence of h+ allele which is sex influenced and more expressed in male, choose the off one out.
  • a) Female with h+ h+
  • b) Male with h+ h+
  • c) Female with h h+
  • d) Male with h h+
Q.5
Patterned baldness is a sex influenced trait more expressed in a male. If b+ is normal allele making non-bald phenotype and b is mutant leading to bald phenotype, for a cross between a bald mother and normal father, what is the probability of a bald son?
  • a) 0
  • b) 1/4
  • c) 1/2
  • d) 1
Q.6
Homozygous bald gene, a sex influenced gene, is equally expressed in men and women.
  • a) True
  • b) False
Q.7
Choose the odd one out on the basis of sex influence.
  • a) Cleft palate
  • b) Club foot
  • c) Gout
  • d) Osteoporosis
Q.8
What will be the phenotype and genotype of a daughter born to bald mother and non-bald father?
  • a) b+/b+ non-bald
  • b) b+/b+ bald
  • c) b/b+ non-bald
  • d) b/b+ bald
Q.9
Which one of the following will not be expressed in female even in homozygous form?
  • a) Cock feathering
  • b) Cleft palate
  • c) Osteoporosis
  • d) Color blindness
Q.10
If a bull doesn’t express the milking factor, where m+ is normal and m is a mutant gene, its genotype is?
  • a) m+/m+
  • b) m+/m
  • c) m/m
  • d) Can’t be specified
Q.11
Appearance of cock feather in chicken is ________________
  • a) X linked
  • b) Y linked
  • c) Sex influenced
  • d) Sex limited
Q.12
Sex influenced genes will not occur in ________________
  • a) Homologous autosome
  • b) Homologous part of sex chromosome
  • c) Short arm of human Y chromosome
  • d) On autosomes of male
0 h : 0 m : 1 s