ocr a level biology notes, Slides of Biology

ocr a level biology notes for student

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2025/2026

Uploaded on 04/21/2026

shamea-rahman
shamea-rahman 🇬🇧

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MEIOSIS
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MEIOSIS

In sexual reproduction two ………………………. (an egg and a sperm) join together in a process known as …………………………………… This forms a ………………………………… This cell divides and develops into a new organism by the process of ………………………… and

the position of a gene on a chromosome or DNA molecule

locus

one of the different forms of a particular gene

allele

cell division that produces 4 daughter cells, each with half the chromosome number of the parent cell

meiosis

cell division that produces 2 daughter cells with the same number of chromosomes as the parent cell & as each other

mitosis

CELLS WITH HALF THE NORMAL NUMBER OF CHROMOSOMES CELLS WITH THE FULL NUMBER OF CHROMOSOMES