DNA Flashcards
What is the name of the 4 chemical bases? and what can pair with what?
Guanine (G) and Cytosine (C)
Adenine (A) and Thymine (T)
with the base-pair code of CGTACCGA, how would you finish the sequence?
GCATGGCT…
In DNA, what does SNP stand for?
Single Nucleotide Polymorphisms
What is Heterozygous?
having 2 DIFFRENT alleles of a particular gene
What is Homozygous?
having 2 IDENITICAL alleles of a particular gene
You have 46 chromosomes, how many do you get from your mother?
Half or 23
Which genotype contains 2 of the same alleles?
Homozygous
What is the name of diagram that is used to show the genotypes and/or phenotypes of individuals in a family?
A Pedigree
_____ are lengths of the DNA carries the genetic information. Fill in the blank
Genes
How many “X” chromosomes do men have?
1 “X” and 1 “Y”
If you have 2 “X” chromosomes, you are born a ______. Fill in the blank.
Female
What is a Haploid cell?
A cell that contains a single set of chromosomes
What is a Diploid cell?
A cell that contain two copies of each chromosome
Who was the English chemist who used X-ray crystallography to produce photos of DNA?
Rosalind Franklin
What are the 3 parts in a DNA Nucleotide?
Phosphate, Deoxyribose sugar, Nitrogenous base