In this article we will discuss about the self-incompatibility in plants. Sometimes bisexual plants produce functional male and female gametes, yet self-pollination does not lead to fertilisation and there is no seed setting. The pollen grains may fail to germinate on the stigma; or, even if pollen tubes are formed their growth may be inhibited. […]
Self-Incompatibility in Plants | Genetics
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Biology Notes on Multiple Alleles | Genetics
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The below mentioned article provides note on multiple alleles. After Mendel first advocated the existence of two factors for each character, it was demonstrated in many organisms that a gene consists of a pair of alleles. Each member of the pair of alleles is said to occupy an identical position or locus on each of […]
Blood Group Alleles in Man | Genetics
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In this article we will discus about the blood group alleles in man. The ABO blood group system in man provides an excellent illustration of a multiple allelic system. If blood from two persons is allowed to mix outside the body, sometimes it will mix well, at other times there is clumping (agglutination) of red […]
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