SCIENCE FINAL EXAM STUDY GUIDE EXAM QUESTIONS
WITH COMPLETE SOLUTIONS VERIFIED
will always show up as a trait when in an equation
dominant
Is masked by dominant and will only show up if dominant is not in the equation
recessive
when an organism has two of the same alleles for a trait
purebred
when an organism has one dominant and one recessive allele
hybrid
different
heterozygous
same
homozygous
an organism's genetic makeup
genotype
an organism's physical appearance
phenotype
a specific characteristic of an organism. Can be passed on to offspring
trait
a different form of a gene
, alleles
a sequence of DNA that determines a trait and is passed from parent to offspring
genes
a threadlike structure within a cell's nucleus that contains DNA
chromosomes
height
What trait can be affected by the environment?
replicating organisms
What is cloning?
XX and XY
What are the different alleles used in sex cells?
To map out the inheritance of traits
How is a pedigree used?
Hemophilia, Sickle Cell, Cystic Fibrosis, Down Syndrome
What are the 4 different genetic disorders discussed in class?
blood clotting disorder
Hemophilia
mucus in lungs and intestines
Cystic fibrosis
extra chromosome on #21 that can cause leukemia and mental retardation
Down syndrome
to make sure if they have a child, it wouldn't have a genetic disorder
Why would it be important to want a karyotype?
WITH COMPLETE SOLUTIONS VERIFIED
will always show up as a trait when in an equation
dominant
Is masked by dominant and will only show up if dominant is not in the equation
recessive
when an organism has two of the same alleles for a trait
purebred
when an organism has one dominant and one recessive allele
hybrid
different
heterozygous
same
homozygous
an organism's genetic makeup
genotype
an organism's physical appearance
phenotype
a specific characteristic of an organism. Can be passed on to offspring
trait
a different form of a gene
, alleles
a sequence of DNA that determines a trait and is passed from parent to offspring
genes
a threadlike structure within a cell's nucleus that contains DNA
chromosomes
height
What trait can be affected by the environment?
replicating organisms
What is cloning?
XX and XY
What are the different alleles used in sex cells?
To map out the inheritance of traits
How is a pedigree used?
Hemophilia, Sickle Cell, Cystic Fibrosis, Down Syndrome
What are the 4 different genetic disorders discussed in class?
blood clotting disorder
Hemophilia
mucus in lungs and intestines
Cystic fibrosis
extra chromosome on #21 that can cause leukemia and mental retardation
Down syndrome
to make sure if they have a child, it wouldn't have a genetic disorder
Why would it be important to want a karyotype?
