genetics and variation 0.0 / 5 ? BiologyGeneticsOtherNone Created by: feltonzCreated on: 07-02-16 16:56 What is a gamete A sex cell 1 of 13 How many chromosomes in the human body? 23 pairs of chromosomes 2 of 13 What are male and female chromosome parings? Males are XY. Females are **. 3 of 13 What are different forms of a gene called? Genes exist in different forms called alleles. 4 of 13 Why does a person need to have two copies of the cystic fibrosis allele to have cystic fibrosis? The allele is recessive 5 of 13 In a genetic diagram, how is a dominant allele shown? As a capital letter 6 of 13 What is heterozygous ? Someone who is heterozygous contains two different alleles of a gene, such as H and h. 7 of 13 What is a phenotype? All the characteristics shown by an organism (visible) 8 of 13 What is a genotype? A genotype is all the different genes an organism has.(Not Visible) 9 of 13 What is an example of continuous variation? Blood group 10 of 13 What is an example of discontinuous variation? Height 11 of 13 What type of graph do we use for discontinuous variation? Bar 12 of 13 What type of graph do we use for continuous variation? Line 13 of 13
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