8. What is a genotype? What
is the difference between
genotype and phenotype?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Genotype is the genes, nucleotide
sequences contained in
chromosomes of an individual,
condition the phenotype. Phenotypes
are a biological manifestation
genotypes.

For example, the hemoglobin
chain of sickle disease and the
manifestation the disease itself are
phenotype. The altered DNA
sequence in the gene
codifies the production of abnormal
hemoglobin chain isthe .