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landon lessmann

blume ch 5 #27-40

A person with phenotype A blood has how many possible genotypes? 2
A person with phenotype O blood has how many possible genotypes? 1
Is type O blood Dominant or Recessive? recessive
Genes on chromosomes control the _____ that show up in an organism. traits
During _____ a pair of chromosomes separate and the _____ move into separate cells. meiosis alleles
The study of how traits are inherited is _____. genetics
The different forms of a trait that a gene may have are _____. alleles
An allele inherited on an X or Y chromosome is a _____. sex-linked gene
For humans XX is a _____ and XY is a _____. (male or female) female male
____ - genes that are altered or copied incorrectly. mutation
How is it possible for 2 parents with brown eyes to have a child with blue eyes? parents are heterozygous, Bb. So if you look at the Punnet square there is a 25% chance of blue eyed offspring. They inherited the recessive allele from both.
What chromosomes disorder caused Down Syndrome? If the chromosomes 21 does not separate during meiosis, one of he sex cells will have 3 chromosome 21's instead of 2
How do scientists make bacteria cell produce insulin needed by type 1 diabetics? Take out a DNA loop - splice a human gene ch. Put in a splice of recumbent DNA
How is gene therapy used to help cystic fibrosis. virus act as a delivery vehicle by carrying normal genes to the cells in the airways of the lung.
Created by: llessmann