Three point test cross Three point test cross in Drosophila: Wild-type Male Drosophila was crossed with female Drosophila homozygous for three recessive X-linked mutations—scute (sc) […]
Gene mapping Gene mapping is the process of determining the genes and their location along the length of chromosome. T. D Morgan pave the foundation […]
Hymenolepis nana Hymenolepis nana is also known as the dwarf tapeworm. The species name ‘nana’ is derived from its small size which means dwarf of […]
Measles morbillivirus: Measles is an acute highly infectious disease characterized by fever, respiratory symptoms and a maculopapular rash. General properties General morphology as Paramyxoviruses Roughly […]
Chromosomal mechanism of sex determination #Sex determination: Sex determination is the process by which the male and female gametes after fusion produce a zygote which […]
Theories of sex determination in organisms The mechanism of sex determination are similar in both plants and animals. I. Classical Theories of sex determination: Metabolic […]
Terminology in genetics 1.Gene: Gene is the shortest segment of DNA responsible for the expression of its specific character. Gene is also called as the […]
Mendel’s experiment Mendel conducted hybridization experiments on garden pea. He studied the inheritance of seven different morphologically traits on pea plants. These traits are: Height […]
Mendel’s genetics: Mendel started his work on pea in 1856 and derived law of inheritance in 1865. Mendel’s work was unfortunately paid no attention and […]
Karyotype: The word ‘karyotype’ is derived from Greek word “kernel” which means content of nucleus. The term Karyotype is referred to a group of characteristics […]
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