Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


HEREDITY-Transmission of features or characters from one generation to another or from parents to offspring through their genes.

VARIATION-It occurs due to sexual reproduction,inaccuracies during DNA replication(mutation)and due to environmental factors.

GENETICS-Branch of biology dealing with the study of heredity and variations.

ALLELES-They are modified from of a gene. eg a gene T (TT)represent the height.Modified from of it is "t"(tt).

GREGOR JOHANN MENDEL(1822-1884)-He is known as 'Father of Genetics'.He worked on sweet pea plant(Pisum sativum).

GENOTYPE-Genetic composition of individual.

PHENOTYPE-Visible traits of an individual.

EVOLUTION-Gradual changes in traits of organisms from preexisting organisms is called evolution.

SPECIATION-It may take place when variation is combined with geographical isolation.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts