A man whose father is a colourblind, marry a woman, who is a daughter of colourblind mother. The offspring of this couple will be

(1) all daugher and sons are colourblind

(2) 50% colourblind and 50% normal son

(3) carrier normal daugher and colourblind sons

(4) colourblind sons and normal daughter

 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A pea plant parent having violet-coloured flowers with unknown genotype was crossed with a plant having white-coloured flowers. In the progeny, 50% were white. The genotypic constitution of the parent having violet-coloured flowers was

(1) homozygous

(2) merozygous

(3) heterozygous

(4) hemizygous

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The number of linkage group(s) present in Escherichia coli is 

(1) One

(2) two

(3) four

(4) seven

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, 75% of the flowers are red and 25% are white. The genotypic constitution of the parents having red coloured flowers will be 

(1) both homozygous

(2) one homozygous and other heterozygous

(3) both heterozygous

(4) both hemizygous

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Genotypic and phenotypic ratios 1 : 2 : 1 in the offsprings explain the principle of 

(1) dominance

(2) blending inheritance

(3) recessiveness 

(4) All of the above

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Sickle cell anaemia is example of 

(1) sex-linked inheritance

(2) deficiency disease

(3) autosomal heritable disease

(4) infectious disease

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Holandric genes are located 

(1) both in X and Y-chormosome

(2) only in Y-chromosome

(3) only in X-chromosome

(4) only in autosomes

 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which one of the following disorders and characteristic is correctly matched?

(1) Cystic fibrosis - Produciton of thick mucous that cloge airways

(2) Sickle cell anaemia - Brain deterioration beginning at months of age

(3) Achondroplasia - Extra fingers or toes

(4) Huntingon's disease - Skeletal, eye and cardiovascular defects

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Tay-Sachs disease results due to lack of enzyme

(1) glucokinase

(2) hexosaminidase A

(3) Pyruvate kinase

(4) Na- — K+ ATPase

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A woman is married for the second time. Her first husband was ABO blood type A, and her child by that marriage was type O. Her new husband is type B and their child is type AB. WHat is the woman's ABO genotype and blood type ?

(1) IAIO; Blood type A

(2) IAIB; Blood type AB

(3) IBIO; Blood type B

(4) IOIO; Blood type O

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: