Question # 1

Who for the first time found white eye mutant in drosophila ?

Choose an answer

Morgan

Bridges

Correns

De Varies

Interaction of two loci

Choose an answer

Pleiotropy

Epistasis

Dominance

Differentiation

When a haemophilic carrier woman marries a normal man, who among her offspring may be affected

Choose an answer

all her children

all her daughter

half of her daughter

half of her sons

Pseudo-autosomal genes are present on

Choose an answer

X-chromosome

Y-chromosome

Both a & b

Autosomes

Which of the following traist is transmitted directly from an affected to only its sons?

Choose an answer

autosomal

X-linked

Y-linked

X and Y linked

Which enzyme deficiency leads to phenylketonuria

Choose an answer

Phenylalanine oxidase

Phenylalanine hydroxylase

Phenylalanine synthase

Phenylalanine carboxylase

Queen victoria was having which kind of haemophilia

Choose an answer

A

B

C

None

If six cells out of 10, do crossing over what will be percentage of cross over gametes

Choose an answer

60%

30%

40%

50%

In sickle cell beta chain glutamic acid is replaced by valine which is sixth amino acid from

Choose an answer

N-Terminal

C-Terminal

R-Terminal

H-Terminal

How may gene pairs contribute to the wheat grain colour?

Choose an answer

one

two

three

four

Diabetes is the leading cause of

Choose an answer

Kidney failure

Adult blindness

Heart disease

All of these

What will be the risk of heamophilia in sons if father is haemophilic and mother is normal

Choose an answer

0%

20%

25%

50%

A heterrozygote offspring quantitatively exceeds the phenotypic expression of both the homozygote parents due to:

Choose an answer

dominance

incomplete dominance

over dominance

codominance

The chances of which hemophilia is equal in males & females

Choose an answer

A

B

C

All

The two linked genes A and B with a 30% recombination frequency must be

Choose an answer

15 units apart

30 units apart

60 units apart

90 units apart

If the distance of 20 map units is found among two linked loci what would be the percentage of cross gametes

Choose an answer

40%

60%

20%

10%

Which of the following traits is not sex-linked recessive ?

Choose an answer

haemophilia

colour blindness

hypophosphatemic ricket

tfm syndrome

Bilirubin

Choose an answer

Turns skin Yellow

Damages brain cells

Causes jaundice

All of these

A blue cone monochormate

Choose an answer

Can perceivetwo colours

Can't perceiveany colour

Can perceive only blue colour

Can perceive only red colour

A phenotype which can't be expressed in heterozygous state but can only be expressed other in homo or hemi form, would be

Choose an answer

Dominant

Bombay

Recessive

Ordinary

More Classes

Other Links

MDCAT Biology Chapter 9 Life process in Animals & Plants Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer