0

Heredity and Evolution

Description: Heredity and Evolution
Number of Questions: 10
Created by:
Tags: Heredity and Evolution Genetics
Attempted 0/10 Correct 0 Score 0

_______ is the genetic material present in human beings.

  1. DNA

  2. RNA

  3. ATP

  4. NADP


Correct Option: A
Explanation:

The correct option is (1).

Which of the following crosses shows 3 : 1 ratio?

  1. AaBb x AaBb

  2. aabb x AABb

  3. Aabb x Aabb

  4. AaBb x aabb


Correct Option: C
Explanation:

The correct option is (3).

The book ‘Origin of Species’ was written by

  1. Lamarck

  2. Darwin

  3. Alfred Wallace

  4. Mendel


Correct Option: B
Explanation:

The correct option is (2).

Which plant was selected by Mendel for his experiments?

  1. Pisum sativum

  2. Sorghum bulbosum

  3. Triticum aestivum

  4. Zea mays


Correct Option: A
Explanation:

The correct option is (1).

If the frequency of a dominant phenotype in a stable population is 75%, the frequency of recessive allele will be

  1. 25%

  2. 50%

  3. 100%

  4. 10%


Correct Option: A
Explanation:

If the frequency of a dominant phenotype in a stable population is 75%, the frequency of recessive allele will be 25%.

What is Darwin’s explanation for the occurence of evolution?

  1. God determines which species should evolve.

  2. Adaptations enable a species to produce more offspring by natural selection.

  3. Certain species undergo mutations.

  4. The traits used most often persist longer.


Correct Option: B
Explanation:

The correct option is (2).

Who gave the theory of inheritance of acquired characters?

  1. Mendel

  2. Darwin

  3. Lamarck

  4. Whittaker


Correct Option: C
Explanation:

The correct option is (3).

Which of the following represents a mixed-dominant condition in an offspring?

  1. TT

  2. Tt

  3. tt

  4. TR


Correct Option: B
Explanation:

The correct option is (2).

The human traits are influenced by the DNA of

  1. mother

  2. father

  3. siblings

  4. Both (1) and (2)


Correct Option: D
Explanation:

The correct option is (4).

Gene is a segment of

  1. Chromosome

  2. DNA

  3. RNA

  4. Both (2) and (3)


Correct Option: B
Explanation:

The correct option is (2).

- Hide questions