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201 final-cheney
quizzes 8-10 continued
41
Biology
Undergraduate 2
04/28/2011

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Cards

Term
True
Definition
both viruses and plasmids can serve as vectors for gene transfer
Term
introns
Definition
cDNA is lacking _______
Term
human growth hormone and insulin
Definition
_____ made by recombinant bacteria is currently sold in US pharmacies
Term
PCR
Definition
if a sample of dna is too small to use, the ____ technique can be used to amplify the DNA
Term
size
Definition
electrophorresis separates DNA fragments because of their ____ differences
Term
False
Definition
DNA finger printing in so named because it uses DNA left at a crime scene in fingerprints
Term
noncoding
Definition
DNA fingerprinting relies on differences in ________ regions of DNA
Term
pesticide production and herbicide resistance
Definition
Genes for _____ have been transferred into crop plants that are widely grown in the USA
Term
False
Definition
In the US, genetic modification of plants is only allowed in crop plants that are not used for human consumption
Term
blindness, A
Definition
Golden rice helps prevent _____ in third world countries by providing precursors for vitamin _____
Term
25%
Definition
Two people were heterozygour for sickle cell disease. What is the chance that they could have a child with sickle cell?
Term
cystic fibrosis
Definition
which human genetic disease is caused by a defective protein chanel for moving salts in and out of the cell?
Term
hemophilia
Definition
which human genetic disease is caused by a defective protein needed in the clotting process?
Term
hemophilia
Definition
which human genetic disease is X-linked?
Term
blood
Definition
human gene therapy has been most successful treating diseases of the _____
Term
chorionic vilus sampling (CVS)
Definition
which form of prenatal testig for genetic diseases can be done earlier in a pregnancy?
Term
anaphase
Definition
nondisjunction occurs when chromosomes do not separate during ____ of meiosis
Term
2N+1
Definition
A trisomic human has a ____ chromosome number
Term
turner
Definition
the only viable human monosomy is ____ syndrome
Term
YYY
Definition
which of the following sets could never be born? XXX, XXY, XYY, YYY
Term
PKU
Definition
which human genetic deisease is caused by a defective enzyme in phenylaline metabolism?
Term
growth
Definition
which of the following is mitosis used for: growth, replacement, asexual replacement
Term
False
Definition
some organsims can have sexual reproduction without meiosis
Term
either dipolid or haploid
Definition
mitosis can begin with a ____ cell
Term
diploid
Definition
meiosis can begin with a ____ cell
Term
mitosis
Definition
_____ produces genetically indentical cells
Term
Meiosis
Definition
_______ goes through cytokinesis twice
Term
meiosis
Definition
homologous chromosomes associate to form tetrads in ______
Term
anaphase 2
Definition
which phase of meiosis is most like anaphase of mitosis?
Term
4
Definition
meiosis commonly produces ____ cells
Term
gamete
Definition
in animals, the product of meiosis is a ____
Term
spore
Definition
in plants, the product of meiosis is a ______
Term
meiosis
Definition
crossing over between homologous chromosomes is common in ______
Term
1
Definition
DNA replication occurs during the S phase of interphase _____ of meiosis
Term
1/2 black, 1/2 white
3/4 black, 1/4 white
all black
Definition
Assume W=black w=white C=straight c=curly

what progeny and in what frequency do we expect from the cross Ww x ww?

what progeny and in what frequency do we expect from the cross Ww x Ww?

what progeny and in what frequency do we expect from the cross WW x Ww?
Term
Cc x Cc
Cc x cc
CC x cc
Definition
Assume W=black w=white C=straight c=curly

Two straight haired were mated and produced both straght and curly offspring. what could represent a cross?

a straight haired was mated to a curly and produced only curly offspring. what could repesent a cross?

a straight haired was mated to a curly and produced only straight offspring. what could repesent a cross?
Term
9 black, 2 black curly, 3 white straight, 1 white curly
Definition
in the cross WwCc x WwCc, what are the expected phenotypic results?
Term
mammals
Definition
which of the following have sex determined by XX females and XY males?
Term
false
Definition
X-linked alleles are only expressed in males
Term
false
Definition
in cats, normal males can be black, orange, or calico
Term
1
Definition
Adult female humans have ____ active X chromosome(s) in each body cell
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