DNA Flashcards
passing the quiz
Genes
Sequence of DNA that determines a trait.
Allele
One or more different form of gene and also Genotype.
Dominate
The trait that does the “masking” of the other trait. In an ear this would be the free one. It is also the capital letter.
recessive
is mask able by the dominate trait. In an ear it would be the attached one. It is also the lower case letter.
Homozygous
a gene or 2 with the same allele. Homo means same so think about that. It would be capital capital or lower case lower case. AA aa
Heterozygous
2 different alleles for the same trait. Upper case lower case. Aa
what is 5 carbon sugar.
It is called deoxyribose and it is the pentagon that is grey.
What is the strong bond that connects the deoxyribose phosphates and nitrogen bases
covalent bond.
what is the breakable bond between complimentary base pairs.
hydrogen bond
what complimentary base pairs go together
a/t t/a g/c c/g
_____describes how some traits are passed from parents to their children.
heredity
The traits are expressed by____, which are small sections of DNA that are coded for specific traits.
genes
Genes are found on
chromosomes
how many sets of chromosomes do humans have.
23
where are chromosomes found
inside the nucleous.
what is a nucleotide
the phosphate nitrogen bond and deoxyribose linked together by covalent bonds.
what are the big coils called from chromosomes
supercoils
what are the small coils made from chromosomes called
coils
what is a chunk of the circle things called.
nucleosomes
what is a circle think called.
histones
DNA
deoxyribonucliec acid
What is the first step of copying DNA
DNA helixcase “Unzipping” the hydrogen bonds.
What is the 2nd step of copying DNA
Free DNA nucleotides find their complimentary base pair
What is the 3rd step of copying DNA
DNA polymers (an enzyme) helps assemble the sugar-phosphate. Basically spell check.
What would AA be
dominate
what would aa be
recessive
what would Aa be
dominate because it always masks the other trait.
