B1 - You and your genes questions & answers 0.0 / 5 ? BiologyYou and your genesGCSEOCR Created by: Kayla FollettCreated on: 14-05-16 23:16 Where is genetic material found? The nucleus 1 of 18 How many pairs of chromosome are in the human body? 23 pairs 2 of 18 What is the long molecule of DNA called? Chromosome 3 of 18 What is a short length of a chromosome called? Gene 4 of 18 What controls the development of different characteristics? Genes 5 of 18 What are the different versions of genes called? Alleles 6 of 18 Each gene is a code for making..? Proteins 7 of 18 What is the genetic make-up of an organism called Genotype 8 of 18 What does heterzygous mean? A pair of alleles for a characteristic are different. 9 of 18 What does Homozygous mean? A pair of alleles for a characteristic are the same. 10 of 18 Are dominant alleles shown with capital or lowercase letters? Capital letters. 11 of 18 Are recessive alleles shown with capital or lowercase letters? Lowercase letters 12 of 18 What do the 23rd pair of chromosomes decide? The child's sex. 13 of 18 Is XY male or female? Male 14 of 18 is ** male or female? Female 15 of 18 What disease is caused by a faulty recessive allele? Cystic fibrosis 16 of 18 What disease is caused by a faulty dominate allele? Huntington's disease 17 of 18 What is the chance of miscarriage with embryonic testing? 0.5 - 1% 18 of 18
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