The biological research of UC Santa Cruz’s Needhi Bhalla to determine the molecular motions at the heart of heredity has ...

The chromosome theory of heredity, developed in 1902–1904 ... Efforts to remove the nucleus of frog egg cells with a fine syringe and supplant it with the nucleus of a toad species, to create ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...

The different colored bases (adenine, thymine, guanine, and cytosine) represent the genetic code that instructs cells how to make proteins. Understanding this structure is essential for studying ...

Gregor Mendel discovered the basic principles of heredity through experiments with ... meaning they have both male and female sex cells and usually fertilise themselves. Mendel was able to cross ...

When cells express specific genes that characterise a certain type of cell we say that a cell has become differentiated. Structure and replication of DNA DNA is the molecule that holds the ...

The answer begins in the late 1800s, when insect gonad cells, whose large chromosomes are easy to view through a microscope, were the specimen of choice for investigating the cellular basis of ...