Also known as B chromosomes, these chromosomes are excess chromosomes resulting from unsuccessful meiotic divisions where resultant cells have extra chromosomes. A common reason for this happening is Non-Disjunction, where the split of chromosomes into daughter haploid cells is uneven in number.
Also known as B chromosomes, these chromosomes are excess chromosomes resulting from unsuccessful meiotic divisions where resultant cells have extra chromosomes. A common reason for this happening is Non-Disjunction, where the split of chromosomes into daughter haploid cells is uneven in number...
Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
