Mutation and Its Types:- Mutation is a phenomenon which results in alternation of DNA sequences and consequently results in changes in the genotype and phenotype…
Sex Determination in Human :- sex determination is a biological system that determines the development of sexual characteristic in an organism. Sex determination in human…
Crossing Over :- Crossing over is a mechanism by which a group of genes on one chromosome changes it’s place with a similar group on…
1. Incomplete dominance :- It is a post Mendelian discovery. In the case heterozygous condition of gene results in intermediate phenotype as one allele is…
Mendel’s laws of inheritance :- Mendel’s present his paper on principles of heredity at the annual conventy on natural history society at Brun ( Austria…
Monohybrid cross :- Monohybrid is the cross involves one character and single gene pair.It leads to monohybrid offspring in F₁ generation. Mendel proposed that in…
It is a cross which involves two characters and two gene pair. it leads to dihybrid F₁ offspring. Mendel worked with and crossed pea plants…
Allele or Allelomorph :- Genes which code for a pair of contrasting traits are known as alleles, i.e. They are slightly different forms of the…
Genetics :- Genetics is the branch of biology concerned with the study of genes, genetic variation and heredity in organisms. Heredity :- It is the…
RNA and its structure :- RNA molecules are single stranded nucleic acids composed of nucleotides. Fig. 1. Structure of ( a ) DNA and (…