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Related Concept Videos

Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
Pollination and Flower Structure02:40

Pollination and Flower Structure

Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
Non-vascular Seedless Plants02:26

Non-vascular Seedless Plants

The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
The Angiosperm Life Cycle02:39

The Angiosperm Life Cycle

Plants have a life cycle split between two multicellular stages: a haploid stage—with cells containing one set of chromosomes—and a diploid stage—with cells containing two sets of chromosomes. The haploid stage is the gamete-producing gametophyte, and the diploid stage is the spore-producing sporophyte.
Fruit Development, Structure, and Function01:58

Fruit Development, Structure, and Function

Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.

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Related Experiment Video

Updated: May 23, 2026

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques
09:17

Whole-mount Clearing and Staining of Arabidopsis Flower Organs and Siliques

Published on: April 12, 2018

[Evolution and development of the flower].

Aurélie Vialette-Guiraud, Michiel Vandenbussche

    Biologie Aujourd'Hui
    |April 3, 2012
    PubMed
    Summary
    This summary is machine-generated.

    The evolution of MADS-box genes has been crucial for the diversity of angiosperm flowers. Studying these genes in model plants reveals insights into floral morphology development and plant evolution.

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    Live Confocal Imaging of Developing Arabidopsis Flowers
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    Published on: April 1, 2017

    Area of Science:

    • Plant evolutionary developmental biology
    • Molecular genetics of plant development

    Context:

    • The angiosperm flower represents a key evolutionary innovation driving the success of flowering plants.
    • Understanding floral morphology diversification requires studying the molecular underpinnings of flower development across species.

    Purpose:

    • To investigate the role of MADS-box genes in the evolution of floral diversity.
    • To compare the molecular basis of flower development in different model plant species.

    Summary:

    • Floral development is regulated by key genes, with MADS-box genes acting as crucial homeotic regulators.
    • The evolution of the MADS-box transcription factor family is strongly linked to the diversification of angiosperm floral forms.

    Impact:

    • Provides insights into the molecular mechanisms driving the evolution of plant reproductive structures.
    • Enhances understanding of how genetic innovations contribute to biodiversity in flowering plants.