A marriage between man with normal vision and colour blind woman will give birth to
Colour blind sons and 50% carrier daughter
50% colourblind sons and 50% carrier daughter
Normal males and carrier daughters
Colour blind sons and carrier daughters.
Correct Answer :
D. Colour blind sons and carrier daughters.
Related Questions
Combined Oral contraceptives prevent pregnancy by
Tubal block
Preventing spermatogenesis
Forming a barrier between the ovum and sperm
Suppressing ovulation
Human embryo is referred to as fetus from beginning of
1st month of pregnancy
2nd month of pregnancy
3rd month of pregnancy
4th month of pregnancy
Total numbers of ovum released in the life time of a woman is approximately
40
400
4000
20000
Which of the following statements is most correct about the human menstrual cycle.
The menstrual cycle in all women is a 28 day cycle
Ovulation always occurs at the midpoint of the menstrual cycle
A high body temperature indicates ovulation is occurring
The menstrual cycle is an endocrine cycle regulating reproductive physiological changes
After ovulation graffian follicles turns into
Corpus luteum
Corpus albicans
Corpus callosum
Corpus artesia
Corpus luteum secretes
Lh
Estrogen
Progesterone
Fsh
Which of the following is not a hereditary disease?
Cystic fibrosis
Thalassaemia
Haemophilia
Cretinism
Cu ions released from copper-releasing intra uterine devices (iuds)
Prevent ovulation
Suppress sperm motility
Prevents implantation of embryo
Kills sperms
Menstrual phase is followed by .
Luteal phase
Follicular phase
Fertilization
Implantation
Human placenta is
Endothelial
Haemochorial
Epitheliochorial
Syndesmochorial
Pregnancy begins with implantation of
Embryo
Fertilized ovum
Blastopore
Blastocyst
The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
Capacitor
Head
Corona
Acrosome
Which part of the foetus is developed from mesoderm?
Heart and notochord
Heart and brain
Spinal cord and notochord
Brain and notochord
Embryo at 16-celled stage is called ...
Morula
Blastula
Blastomere
Gastrula
Corona radiata is held by...
Mucopolysaccharide
Oligosaccharide
Lipopolysaccharide
Lipoprotein
Acrosome occurs in the sperm in
Tail part
Behind the nucleus
Middle piece
Tip
The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
Blastulation
Neurulation
Gastrulation
Organogenesis
Human eggs are
Mesolecithel
Microlecithel
Macrolecithel
Alecithel
Pregnancy is ascertained by
Insemination
Copulation
Implantation
Capacitation
In uterus, endometrium proliferates in response to ...
Relaxin
Oxytocin
Progesterone
Oestrogen
Embryonic connective tissue is formed from ..
ectoderm
endoderm
Mesenchyme
Mesogloea
Which part of the ovary act as an endocrine gland in human beings
Stroma
Vitteline membrane
Graffian follicle
Epithelium
An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
Edwards syndrome
Klinefelters syndrome
Intersex
Downs syndrome.
Membrane that gives protection to embryo from external shocks is
Amnion
Allantois
Chorion
Placenta
Pregnancy can be detected as early as on
28 th day of cycle
8th week
40 th day of the cycle
10 th week
Cryptorchidism is ...
Nondescent of testes in scrotum
Nondevelopment of testes
Removal of scrotum
Breaking connection of vas deferens
Temperature in scrotum necessary for sperm formation is usually ...
2°c above body temperature
2° c below body temperature
4°c above body temperature
4° c below body temperature
Albinism is a congenital disorder resulting from the lack of which enzyme?
Tyrosinase
Xanthine oxidase
Catalase
Fructokinase.
The embryonic stage that resembles a mulberry fruit is
Nerula
Gastrula
Morula
Blastula
Secretion of testosterone is stimulated by
FSH
TSH
ICSH
ACTH