Question
Spread of $AIDS$ does not occur through
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Answer
b
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Which one of the following is not an Assisted Reproductive Technology (ART) used by childless couples to have children?
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Which statements are not true regarding chromosome theory of inheritance ?
(i) It was proposed by Sutton and Boveri independently in 1902.
(ii) No similarity between the transmission of hereditary characters and behaviour of chromosomes during inheritance.
(iii) Both chromosomes as well as genes occur in pairs in the somatic or diploid cells.
(iv) A gamete contains only one chromosome of a type and only one of the two alleles of a character.
(v) The paired condition of both chromosomes as well as Mendelian factors is restored during fertilization.
(i) It was proposed by Sutton and Boveri independently in 1902.
(ii) No similarity between the transmission of hereditary characters and behaviour of chromosomes during inheritance.
(iii) Both chromosomes as well as genes occur in pairs in the somatic or diploid cells.
(iv) A gamete contains only one chromosome of a type and only one of the two alleles of a character.
(v) The paired condition of both chromosomes as well as Mendelian factors is restored during fertilization.
Mutation is
The pituitary gland is divided into two major parts, adenohypophysis and neurohypophysis. Which of the following characters are incorrect ?
(i) The pituitary gland is located in a bony cavity called sella tursica.
(ii) Adenohypophysis consists of two portions, pars distalis and pars intermedia while neurohypophysis consists of one portion, pars nervosa.
(iii) The pars nervosa commonly called anterior pituitary, produces LH and FSH.
(iv) Pars intermedia secretes melanocyte stimulating hormone (MSH).
(v) Pars distalis also known as posterior pituitary, stores and releases two hormones called oxytocin and vasopressin.
(vi) In humans, the pars intermedia is almost merged with pars distalis.
(vii) Hormone of posterior pituitary actually synthesised by the hypothalamus.
(i) The pituitary gland is located in a bony cavity called sella tursica.
(ii) Adenohypophysis consists of two portions, pars distalis and pars intermedia while neurohypophysis consists of one portion, pars nervosa.
(iii) The pars nervosa commonly called anterior pituitary, produces LH and FSH.
(iv) Pars intermedia secretes melanocyte stimulating hormone (MSH).
(v) Pars distalis also known as posterior pituitary, stores and releases two hormones called oxytocin and vasopressin.
(vi) In humans, the pars intermedia is almost merged with pars distalis.
(vii) Hormone of posterior pituitary actually synthesised by the hypothalamus.
Lippe's loop is a typer of contraceptive used as: