B6-Inheritance, variation and evolution 0.0 / 5 ? ScienceBiologyGCSEAQA Created by: Wynnie24Created on: 18-02-19 12:13 DNA is made up of what? Chromosomes 1 of 20 Chromosomes normally come in what ? Pairs 2 of 20 A small section of what is found on DNA? Genes 3 of 20 Each gene codes for a particular sequence of amino acids which are put together to make what? A specific protein 4 of 20 Genome is a what? An entire set of genetic material in an organism 5 of 20 What is an organism genotype? The alleles that an organism has 6 of 20 How often to mutations result in a new phenotype? Rarely 7 of 20 What is the correct order of classification groups? Kingdom>Phylum>Class Order>Family>Genus>Species 8 of 20 What is the role of a vector in genetic engineering? Give an example They carry genes e.g. plasmid 9 of 20 Type of cell division needed in asexual reproduction Mitosis 10 of 20 Type of cell division needed in sexual reproduction Meiosis 11 of 20 Are gametes required in asexual reproduction? No 12 of 20 Are gametes required in sexual reproduction? Yes 13 of 20 Examples of asexual reproduction Bacteria and potatoes 14 of 20 Examples of sexual reproduction Humans and mammals 15 of 20 How many genes are found in a human reproductive cell? 23 16 of 20 Polydactyl is a what allele? Dominant 17 of 20 Cystic Fibrosis is a what allele? Receive 18 of 20 Theory of Evolution All of today's species have evolved from simple life forms that first started to develop over 3 billion years ago 19 of 20 Main problem with selective breeding is what? Reduction in gene pool meaning that the animals are inbreed meaning that they are more likely to get genetic defects 20 of 20
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