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28 terms

Ch 29: Lab 4: Inheritance Pt 1

STUDY
PLAY
genotype (e.g. PP, Pp, AB or OO)
___ describes different types of gene combinations
PHENOTYPE
___ refers to the outward expression of genes, (e.g. brown hair or AB blood)
CYSTIC FIBROSIS
___ is a disorder in which a person's lungs fill up with mucus
equally, does (i.e. W(WHITE), R(RED) → WR=PINK)
pink flowers are a result of ___ dominant alleles where blending DOES/DOES NOT occur
HUNTINGTON'S DISEASE
___ is a disorder in which brain cells deteriorate and cerebrospinal fluid takes up the space created.
PKU
___ is a disorder in which a person is unable to metabolize the amino acid phenylalanine
POLYGENIC
skin color is controlled by ___ inheritance; where more than one gene pair is controlling a trait
RECESSIVE
cystic fibrosis is a RECESSIVE/DOMINANT? disorder
RECESSIVE
PKU is a RECESSIVE/DOMINANT? disorder
DOMINANT
Huntington's disease is a RECESSIVE/DOMINANT? disorder
DOMINANT
hypercholesterolemia is a RECESSIVE/DOMINANT? disorder
GENOME
___ is the term for the complete set of an organism's genes
CHROMOSOMES
genes are located on ___
one
each chromosome contains __ DNA (how many)
genes
___ are short segments of DNA
46
each human cell contains ___ chromosomes
22, autosomes, 2
each human cell contains ___ homologous pairs called ___ and __ sex chromosomes
ALLELES, HOMOLOGOUS, ALLELES
each gene has two or more alternate forms called ___ which occupy the same location on ___ chromosomes. For example, the two ___ pertaining to dimples are: D and d.
HOMOZYGOUS
If paired alleles are the same (i.e. DD or dd) a person is ___
HETEROZYGOUS
If paired alleles are different (i.e. Dd) a person is ___
DOMINANT, RECESSIVE
if alleles are heterozygous one is usually completely expressed. This allele is called ___, while the other allele that is not expressed and is called ___
punnett square
a ___ is a diagram used to predict possible genotypes
INCOMPLETE DOMINANCE
when neither alleles for a gene is dominate over the other the offspring show an intermediate phenotype or blending of two characteristics. This type of inheritance is called ___. An example of this is wavy hair that is a heterozygous genotype (Cc) of curly and straight hair.
CODOMINANCE, BLENDING
___ is a kind of inheritance in which two different alleles are equally expressed and NO ___ of the characteristic occurs.
CODOMINANT
Blood type is an example of ___ inheritance.
OO
the genotype for O type blood is: ___
AA, AO
The genotype for A type blood is: ___
BB, BO
the genotype for B type blood is: ___