17.2. Mitosis
A subsection of Biology, 0610, through 17. Inheritance
Listing 10 of 59 questions
Meiosis and mitosis are important processes in the life cycles of organisms. shows the life cycles of two different organisms. Organism 1 has a simple life cycle. Organism 2 has a complex life cycle. It has a stage A that produces spores and a stage B that produces gametes. In the diagrams, the haploid number of chromosomes is represented by n. The diploid number of chromosomes is represented by 2n. sperm adult (2n) embryo multicellular stage A (2n) multicellular stage B spores female gamete embryo organism 1 male gamete egg organism 2 P Q W T S R zygote zygote Table 3.1 shows the letters P to T in and the type of nuclear division. Place a tick (✓) in each row to indicate the type of nuclear division that occurs at each of the letters, P to T. Table 3.1 letter in meiosis mitosis P Q R S T State the name of process W shown in . An embryo contains stem cells. Complete the sentences about stem cells and body cells. Stem cells are cells that divide by to produce daughter cells that can become for a specific function. Most body cells in an organism contain the same genes, but many genes in a particular cell are not because the cell only makes the specific it needs. State the events in the life cycle diagram for organism 1 in that would not be present in a life cycle diagram for asexual reproduction. , ,
0610_s24_qp_42
THEORY
2024
Paper 4, Variant 2
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