Search Results for: haploid
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More
Sporophyte
Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More
Sexual reproduction
Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More
Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
Meiosis – The Genetics of Reproduction
The genetic information found in DNA is essential in creating all the characteristics of an organism. This remains the case... Read More
Meiosis and Alternation of Generations
Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More
Sporophyte generation
Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with the union of gametes up to... Read More
Polyploidy
Reviewed by: Mary Anne Clark, Ph.D. Polyploidy Polyploidy is defined as the state of being polyploid, which... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Homologous chromosome
A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More
Dinoflagellate
A dinoflagellate is a flagellate algae characterized by their two flagella of unequal length. One of the flagella is lying... Read More
Sister chromatids
Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More
Meiotic spindle
Meiotic Spindle Definition The meiotic spindle refers to the spindle apparatus that forms during meiosis in contrast to... Read More
Microspore
Definition noun, plural: microspores (botany) The smaller spore produced by sporophytes and develop into male... Read More
Plant cell
Plant Cell Definition A plant cell refers to any cell of a plant. It is the structural and functional unit of plants. Plant... Read More
Gametophyte generation
Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with a spore up to the time that... Read More
Independent Assortment
Independent Assortment Definition Independent assortment refers to the alleles or genes that sort into the newly formed... Read More
Green algae
Green Algae Definition Green algae (singular: green alga) are photosynthetic algae that are characterized by having... Read More
First time! Human blood cell turned into a young sex cell
In essence, our body consists of two major types of cells – one group involved directly in reproducing sexually (called... Read More
Chromatids
Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... Read More
Prophase I
Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More
Perfect fungi
Definition noun A group of fungi that reproduce through asexual spores and sexually-produced spores Supplement Fungi are... Read More
Haplodiploidy
Definition noun A biological system of sex determination as observed in the Hymenopteran species (e.g. ants and bees) where... Read More
Bryophytes
Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More