English

Name the Information Source for Making Proteins in the Cells. - Science

Advertisements
Advertisements

Question

Name the information source for making proteins in the cells.

Solution

Cellular DNA is the information source for making proteins in cells.

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March) Delhi Set 2

RELATED QUESTIONS

A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?


A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. On this basis, can we say anything about whether the light eye colour trait is dominant or recessive? Why or why not?


What is the genotype of tall plants which always produced tall offspring


Give the contrasting traits of the following characters in pea plant and mention which is dominant and which is recessive:  

Yellow seed


In the human blood grouping, the four basic blood types are type A, type B, type AB, and type O. The blood proteins A and B are :
(a) simple dominant and recessive traits
(b) incomplete dominant traits
(c) codominant traits
(d) sex-linked traits


List two differences in tabular form between dominant trait and recessive traits. What percentage/proportion of the plants in the F2 generation/progeny were round, in Mendel's cross between round and wrinkled pea plants?

 

 

If we pure-bred tall (dominant) pea plant with pure-bred dwarf (recessive) pea plant we will get pea plants of F1 generation. If we now self-cross the pea plant of F1 generation, then we obtain pea plants of F2 generation.

(a) What do the plants of F2 generation look like?

(b) State the ratio of tall plants to dwarf plants in F2 generation.

(c) State the type of plants not found in F1 generation but appeared in F2 generation, mentioning the reason for the same.


Write advantages of science of heredity.


If a tall pea plant is crossed with a pure dwarf pea plant then, what percentage of F1 and F2 generation respectively will be tall?


Mendel crossed pea plants with two pairs of contrasting characters.

RRYY  × 

rryy
Round,  Yellow Wrinkled, Green

He observed 4 types of combinations in F2 generation. Which of the combinations were new? Write the conclusion drawn by this experiment.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×