Is skin color controls by more than one gene?

1 Answer

Answer :

Yes, skin pigmentation or melanin production is controlled bymultiple genes that vary by ethnicity. For example, while SouthernEuropeans and East Asians have similar skin tones, these representtwo separate evolutions and mechanisms for the suppression ofmelanin production. Furthermore, there is more human geneticvariety in Africa than the rest of the world combined.

Related questions

Description : Which one controls the color of human skin ?

Last Answer : DNA controls the color of human skin.

Last Answer : DNA regulates skin color , hair color, etc.

Description : When a single gene controls the expression of more than one character, it is said to be - (1) Heterotrophic (2) Autotrophic (3) Allotropic (4) Pleiotropic

Last Answer : (4) Pleiotropic Explanation: When a single gene has an effect on the expression of two or more phenotypic traits, it is said to have a pleiotropic effect on the traits. For example ... effect on the expression of many secondary sexual traits which are morphological, as well as behavioral.

Description : When a single gene controls the expression of more than one character, it is said to be (1) Heterotrophic (2) Autotrophic (3) Allotropic (4) Pleiotropic

Last Answer : Pleiotropic

Description : Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Last Answer : Ans. ((a))

Description : That genes control heredity through their control on enzyme synthesis and that one gene controls the sythesis of one enzyme - the one gene one enzyme hypothesis — was proposed by (a) Beadle and Tatum (b) Darwin (c) Mendel (d) Morgan

Last Answer : Ans:(a)

Description : A pleiotropic gene (a) controls a trait only in combination with another gene (b) controls multiple traits in an individual (c) is expressed only in primitive plants (d) is a gene evolved during Pliocene.

Last Answer : (a) controls a trait only in combination with another gene

Description : Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.

Last Answer : (c) When IA and IB are present together, they express same type of sugar.

Description : Which one controls the color of human choke ?

Last Answer : Answer : DNA controls the color of human chokes.

Description : If a woman developed skin cancer as result of a mutated gene in the skin cells of her arms could she pass skin cancer gene to her children justify your answer?

Last Answer : Need answer

Description : Ehlers-Danlos syndrome characterized by hypermobile joints and skin abnormalities is due to (A) Abnormality in gene for procollagen (B) Deficiency of lysyl oxidase (C) Deficiency of prolyl hydroxylase (D) Deficiency of lysyl hydroxylase

Last Answer : Answer : A

Description : What gene controlls the hair color and height?

Last Answer : Feel Free to Answer

Description : Which of the following is an indicator of neurovascular compromise? a) Capillary refill more than 3 seconds Capillary refill more than 3 seconds is an indicator of neurovascular compromise. Other ... d) Pain on active stretch. Pain on passive stretch is an indicator of neurovascular compromise.

Last Answer : a) Capillary refill more than 3 seconds Capillary refill more than 3 seconds is an indicator of neurovascular compromise. Other indicators include cool skin temperature, pale or cyanotic color, weakness, paralysis, paresthesia, unrelenting pain, pain on passive stretch, and absence of feeling.