The cards Question What is heredity? Tap to flip Answer The passing of features from individuals to their offspring through reproduction. Question What is variation? Tap to flip Answer Differences between individuals of the same species. Question From which parent or parents do offspring inherit features? Tap to flip Answer From both parents. Question Apart from identical twins, are offspring usually identical to their parents? Tap to flip Answer No, offspring usually vary and are not identical to their parents or to one another. Question Can parents choose which features their offspring inherit? Tap to flip Answer No, inherited features are passed on in genetic material, not chosen. Question What is genetic material? Tap to flip Answer A substance in cells that contains instructions for various features and life processes. Question When are biological features inherited from parents? Tap to flip Answer When genetic material is passed from parents to offspring during reproduction. Question Can features caused by lifestyle or the environment be inherited? Tap to flip Answer No, only features caused by instructions in the genetic material can be inherited. Question What is an organism's lifestyle? Tap to flip Answer The things it does and the choices it makes, e.g. diet and exercise. Question Where is the genetic material stored in plant, animal and fungi cells? Tap to flip Answer In the nucleus. Question Where is the genetic material stored in bacteria? Tap to flip Answer In the cytoplasm, as bacteria do not have a nucleus. Question What chemical substance is genetic material made of? Tap to flip Answer DNA. Question Which four letters stand for the molecules DNA is built from? Tap to flip Answer A, T, C and G. Question What are bacteria? Tap to flip Answer Unicellular microorganisms. Question What is the genome? Tap to flip Answer All of the genetic material of a cell. Question What is the structure of DNA called? Tap to flip Answer A double helix: two chains spiralled around one another, with links across the middle. Question What is DNA made of? Tap to flip Answer Two chains of smaller chemical units joined together. Question Are DNA and the genetic code the same thing? Tap to flip Answer No: DNA is a chemical molecule; its four types of unit (A, T, C, G) make up the genetic code. Question Why do scientists use models? Tap to flip Answer As simpler representations of complex things and ideas. Question Can DNA be seen with the unaided eye? Tap to flip Answer DNA molecules usually cannot, but clumps of DNA can be seen when a lot of it is extracted. Question Do plants contain DNA? Tap to flip Answer Yes, DNA can be extracted from plant cells such as fruit. Question In what year was DNA discovered? Tap to flip Answer 1869. Question In what year did scientists work out the structure of DNA? Tap to flip Answer 1953. Question Whose team in London used X-rays to produce an image of a DNA molecule in 1952? Tap to flip Answer Rosalind Franklin's team. Question Who showed Franklin's DNA picture to James Watson? Tap to flip Answer Maurice Wilkins. Question Which two scientists used the picture evidence to complete the double helix model of DNA? Tap to flip Answer James Watson and Francis Crick. Question What is a chromosome? Tap to flip Answer A package of tightly wound DNA. Question What is a gene? Tap to flip Answer A section of DNA that codes for features and processes. Question How many pairs of chromosomes do human body cells have? Tap to flip Answer 23 pairs. Question How many chromosomes does a bacterium have, and where is it stored? Tap to flip Answer One, stored in the cytoplasm. Question What do the non-coding sections of DNA contain? Tap to flip Answer Instructions that control when the information in genes is used. Question Are genes and DNA exactly the same thing? Tap to flip Answer No: genes are sections of DNA, and all the DNA together is the genome. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage Key stage 3 (Years 7–9) Course KS3 Science Unit Heredity and DNA England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
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A Science lesson by Oak National Academy licensed under Open Government Licence (OGL)
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