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What phase has a spindle that forms in a haploid cell?
The phase that has a spindle forming in a haploid cell is meiosis. Meiosis is a type of cell division that produces reproductive cells with half the number of chromosomes as the original cell. During meiosis, a spindle apparatus helps separate the chromosomes into daughter cells.
Is zygomycota haploid or diploid?
Zygomycota are typically haploid, meaning they have one set of chromosomes. They undergo sexual reproduction to form a zygospore that contains a diploid nucleus, but this phase is usually short-lived. The majority of their life cycle is spent in the haploid state.
Is amoeba a haploid or a diploid?
The amoeboid cells are haploid. In the sexual phase of the life cycle, two amoeboid cells fuse to form a zygote. New amoeboid cells are produced by meiosis.
What is the end result of meiosis phase 1?
The end result of meiosis phase I is two haploid daughter cells, each containing a unique combination of chromosomes due to crossing over and random assortment of homologous chromosomes. These daughter cells have half the number of chromosomes as the original parent cell.
What is the sexual reprodution of algae?
Algae reproduce sexually through a process called alternation of generations. This involves the alternation between a haploid gametophyte phase, where haploid gametes are produced, and a diploid sporophyte phase, where diploid spores are produced through meiosis. These spores eventually develop into new algae individuals.
The haploid phase of a plant that produces gametes by mitosis?
Chromosomes
What phase has a spindle that forms in a haploid cell?
The phase that has a spindle forming in a haploid cell is meiosis. Meiosis is a type of cell division that produces reproductive cells with half the number of chromosomes as the original cell. During meiosis, a spindle apparatus helps separate the chromosomes into daughter cells.
Is zygomycota haploid or diploid?
Zygomycota are typically haploid, meaning they have one set of chromosomes. They undergo sexual reproduction to form a zygospore that contains a diploid nucleus, but this phase is usually short-lived. The majority of their life cycle is spent in the haploid state.
Why do humans not go through alternation of generations?
Human beings do exhibit an alternation of generations, but the haploid phase is extremely deemphasized while the diploid phase is overwhelmingly dominant. The haploid phase in humans that results from meiosis is restricted to only one cell, either an egg in the female or a sperm in the male. There is never a multicellular haploid structure as there usually are in plants. If such a multicellular haploid structure is required for a true alternation of generations, then humans do not exhibit alternation of generations. The human organism grows by mitosis (the diploid phase) only after fertilization. A plant sporophyte is diploid and it produces spores by meiosis. Humans, like plant sporophytes, are diploid and make haploid gametes by meiosis.
Is amoeba a haploid or a diploid?
The amoeboid cells are haploid. In the sexual phase of the life cycle, two amoeboid cells fuse to form a zygote. New amoeboid cells are produced by meiosis.
What is the end result of meiosis phase 1?
The end result of meiosis phase I is two haploid daughter cells, each containing a unique combination of chromosomes due to crossing over and random assortment of homologous chromosomes. These daughter cells have half the number of chromosomes as the original parent cell.
The diploid phase of the human life cycle begins with?
The diploid phase of the human life cycle begins with fertilization, where a haploid sperm fuses with a haploid egg to form a diploid zygote. This zygote then undergoes multiple rounds of cell division to eventually form a multicellular organism.
How many chromosomes enter the G2 Phase?
Cells in G2 phase have a diploid set of chromosomes, which is twice the number found in gametes (haploid cells). In humans, this means that 46 chromosomes enter G2 phase.
What does intercalated diploid phase mean?
Intercalated diploid phase refers to a stage in the life cycle of certain organisms, like algae or plants, where the diploid phase is embedded within the haploid phase. This means that after fertilization, the zygote undergoes meiosis to form haploid cells, which then immediately undergo mitosis to form a diploid organism, rather than undergoing immediate differentiation into a distinct diploid phase.
What statement defines the life cycle of plants such as palm trees?
Plants have a two-part life cycle, spending part of their life in a diploid phase and part in a haploid phase.
What is a sporophyte?
The diploid generation in the life cycle of a plant, and that produces haploid spores by meiosis. A diploid form of a plant
Where does the sexual cycle of plasmodia completed?
Growth and division of each oocyst produces thousands of active haploid forms called sporozoites. After 8-15 days, the oocyst bursts, releasing sporozoites into the body cavity of the mosquito, from which they travel to and invade the mosquito salivary glands.
