(A) 3 : 1 (B) 1 : 2 : 1 (C) 2 : 1 (D) 9 : 3 :
3 : 1
- Branch of biology deal s with heredity and variation is called
(A) Palaentology (B) Evolution (C) Genetics (D)
Ecology
- The factors which represent the contrasting pairs of characters are
called
(A) Dominant (B) Recessive (C) Determinants (D)
Alleles
SUBJECTIVE QUESTIONS
SHORT ANSWERT YPE QUESTIONS
- What are autosomes?
- Name the four nitrogen bases of a nucleotide.
- Define the term genetics.
LONG ANSWER TYPE QUESTIONS
- What does the science of genetics deals with?
- Differentiate between submetacentric and metacentric chromosomes
with diagram.
- Explain the structure of a gene.
- What is genetic engineering?
- Why did Mendel choose pea (Pisum sativum) for his experiment?