Haemophilia is more common in males because it is a
Recessive character carried by y-chromosome
Dominant character carried by y-chromosome
Dominant trait carried by x-chromosome
Recessive trait carried by x-chromosome
Correct Answer :
A. Recessive character carried by y-chromosome
Related Questions
Immediately after ovulation, the ovum is covered by a membrane called
Chorion
Zona pellucida
Corona radiata
Vitelline membrane
When there is no fertilization, the corpus luteum ...
Stops secreting progesterone
Changes to corpus albicans
Starts producing progesterone
Begins next cycle
Forensic investigation of rape case focuses on the presence of fructose in female reproductive system, the only part of the human body producing fructose is
Cowper's gland
Prostate gland
Testes
Seminal vesicle
In human embryo, the digestive system develops from the
Epithelium
Mesoderm
Endoderm
Ectoderm
Part of sperm that passes into ovum is
Tail
Acrosome
Head
Head, neck and middle piece
Membrane that gives protection to embryo from external shocks is
Amnion
Allantois
Chorion
Placenta
The surgical method of contraception in males
Hysterectomy
Vasectomy
Castration
Circumcision
Embryo at 16-celled stage is called ...
Morula
Blastula
Blastomere
Gastrula
The functional unit of testis of man is ...
Uriniferous tubules
Malpighian tubules
Seminiferous tubules
Acini or lobules
Increase in basal body temperature in the middle of menstrual cycle is a sign of
Fertilization
Onset of menstruation
Menopause
Ovulation
Human placenta is
Endothelial
Haemochorial
Epitheliochorial
Syndesmochorial
Cryptorchidism is ...
Nondescent of testes in scrotum
Nondevelopment of testes
Removal of scrotum
Breaking connection of vas deferens
What is the name of the inner lining of the uterus?
Myometrium
Endometrium
Epithelium
Endothelium
Secretion of testosterone is stimulated by
FSH
TSH
ICSH
ACTH
Albinism is a congenital disorder resulting from the lack of which enzyme?
Tyrosinase
Xanthine oxidase
Catalase
Fructokinase.
The number and appearance of chromosomes in the nucleus of a eukaryotic cell is called as
Karyotype
Genotype
Phenotype
Cytogenetics
After ovulation graffian follicles turns into
Corpus luteum
Corpus albicans
Corpus callosum
Corpus artesia
Amniotic fluid protects the foetus from ...
Shock
Abortion
Degeneration
Disease
Gestation period of 280 days is calculated from time of ...
Last menstruation
Fertilization
First day of last menstruation
Ovulation
An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
Edwards syndrome
Klinefelters syndrome
Intersex
Downs syndrome.
Human female reaches menopause at the age of about ...
25 years
35 years
50 years
70 years
Which part of the ovary act as an endocrine gland in human beings
Stroma
Vitteline membrane
Graffian follicle
Epithelium
The gonadotropic hormones are secreted by
Anterior pituitary
Posterior pituitary
Adrenals
Ovaries
Number of chromosomes in secondary oocyte stage in humans is ...
23
46
18
20
Human embryo is enclosed by a sac called
Scrotum
Ericardium
Placenta
Amniotic sac
The middle piece of the sperm contains
Protein
Nucleus
Mitochondria
Centriole
In humans female ovulation occurs during menstrual cycle
At the end of proliferative phase
At the beginning of proliferative phase
Before the end of secretary phase
In the middle of secretary phase
Sertoli cells are found in
Seminiferous tubules
Ovaries
Prostate gland
Semen
In which phase of menstrual cycle ovulation occurs in
Luteal
Menstrual
Proliferative
Secretory
Which part of the foetus is developed from mesoderm?
Heart and notochord
Heart and brain
Spinal cord and notochord
Brain and notochord