fw 104 quiz 1
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16 Terms
locus
the position of a gene sequence on a chromosome
if we know what goes where, we can change the gene sequence
diploid
organisms that have pairs of chromosomes; what we call humans.
genotype
an individual's genetic blueprint
phenotype
what an individual looks like physically
mutation
a change in the base pair sequences, or the blueprint
what is key about mutations?
Can be caused by radiation, chemicals, and replication errors.
Can be deleterious, neutral, or adaptive.
Original source, small percentage.
alleles
different versions of the same genes; code for different versions of the same trait
what should be noted about alleles?
dominant traits and recessive traits
mitosis
replication of a cell whereas you end up with an exact replica
meiosis
sexual reproduction, crossing over of chromosomes
codon
a series of 3 base pairs
what do codons do?
make amino acids into proteins
genes
the sentences using codons that outline how to construct proteins which produce traits
chromosomes
where DNA/genes are found on structures
what organisms have how many chromosomes?
Dogs = 78, goldfish = 94, humans = 23.
How do scientists define a theory?
idk. ask mrs randall