If a couple has three daughters,what are the chances that the fourth child will be a son

1.  100%

2.  75%

3.  50%

4.  0%

View Answer  
4
Correct Answer :

50\%


Explanation :
No Explanation available for this question

Which one of the following individuals can produce sixteen different gametes

1.  Aa,Bb,Cc,Dd

2.  Aa,Bb,cc,DD,Ee,Ff

3.  Aa,Bb,Cc,dd,Ee,FF

4.  Aa,Bb,Cc,DD,Ee,Ff

View Answer  
4
Correct Answer :

Aa,Bb,cc,DD,Ee,Ff


Explanation :
No Explanation available for this question

In the F2 progeny of a dihybrid cross the expected genotypic proportion of individuals homozygous for both the dominant character will be

1.  1/16 3/16 9/16 12/16

View Answer  
1
Correct Answer :

Explanation :
No Explanation available for this question

The allele for coloured seed coat(S) is dominant over that of white seed coat9s).When flowers of a plant with white seed coat9ss) are pollinated with pollen from a plant with coloured seed coat(Ss),the seed coat in the developing seed would be

1.  White

2.  White and coloured in 1:1 ratio

3.  Coloured

4.  Mosaic

View Answer  
4
Correct Answer :

White and coloured in 1:1 ratio


Explanation :
No Explanation available for this question

Number of different types of gametes produced by an individual with genotype Aa Bb Cc Dd will be

1.  16

2.  64

3.  4

4.  128

View Answer  
4
Correct Answer :

16


Explanation :
No Explanation available for this question

There is a plant,in which genes for black or white flower colour do not show complete dominance or recessiveness.If a plant carrying only black flower color genes,all the offspring have grey flowers.If two of these grey flowered plants were crossed,the theoretical progeny ratio would be

1.  Either all black or all white

2.  ½ black,1/2 white

3.  ½ grey,1/4 white,1/4 black

4.  All of the above are grey

View Answer  
4
Correct Answer :

½ grey,1/4 white,1/4 black


Explanation :
No Explanation available for this question

Blue eye colour in human is recessive to brown eye colour.The expected children of a marriage between blue eyed woman and brown eyed male,who had a blue eyed mother are likely to be

1.  All blue-eyed

2.  Three blue-eyed one brown-eyed

3.  All brown-eyed

4.  One blue-eyed and one brown-eyed

View Answer  
4
Correct Answer :

One blue-eyed and one brown-eyed


Explanation :
No Explanation available for this question

In pea plants,round seed s dominant over wrinkled seed.A plant heterozygous for round seeds was crossed with a plant with wrinkled seeds,which one of the following progenies agrees with expected result

1.  99 round and 300 wrinkled

2.  301 round and 100 wrinkled

3.  305 round and 301 wrinkled

4.  200 round and 100 wrinkled

View Answer  
4
Correct Answer :

305 round and 301 wrinkled


Explanation :
No Explanation available for this question

The gene,which masks the expression of non-allelic dominant gene,is called

1.  Epistatic

2.  Hypostasis

3.  Dominant

4.  Lethal

View Answer  
4
Correct Answer :

Epistatic


Explanation :
No Explanation available for this question

The work of Mendel remained unnoticed for 34 years because

1.  Partly he published his work in an obscure journal

2.  Partly his ideas were ahead of his time

3.  Both (a) and (b) are correct

4.   Both (a) and (b) are wrong

View Answer  
4
Correct Answer :

Both (a) and (b) are correct


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python