Mendel and His Peas
Traits and Inheritance
Meiosis
DNA Looks
DNA Workings
100
the passing of traits from parents to offspring
What is heredity?
100
different forms of a gene
What is an allele?
100
chromosomes which carry the same set of genes
What are homologous chromosomes?
100
three parts of a nucleotide
What are sugar, phosphate, and base?
100
DNA before it condenses
What is chromatin?
200
type of trait which can be masked by another trait
What is recessive?
200
organism's appearance
What is phenotype?
200
cell reproduction process in which cells are produced with half the normal number of chromosomes
What is meiosis?
200
match for base T in DNA
What is A?
200
molecule which helps replicate DNA
What is RNA?
300
type of trait which overshadows other traits
What is dominant?
300
inhertited alleles which determine an organism's phenotype
What is genotype?
300
number of cells which results from a meiotic division
What is 4?
300
shape of DNA
What is twisted ladder or double helix?
300
mutation which omits a base
What is deletion?
400
relationship between two numbers which is often expressed as a fraction
What is ratio?
400
the possible offspring genotypes of a cross between an Rr mom and an Rr dad
What is RR, Rr, rr?
400
number of times chromosomes are copied during meiosis
What is 1?
400
complementary base to G
What is C?
400
base in RNA which pairs with A
What is U?
500
pollen from one plant fertilizes the flower on another plant
What is cross-pollenation?
500
percentage chance of homozygous recessive offspring from a cross of a Gg mom and gg dad
What is 50%?
500
parent which determines the gender of an offspring
What is father?
500
one scientist responsible for the current accepted model of DNA
Who are chargaff, Franklin, Watson, or Crick?
500
organelle in a cell responsible for protein manufacturing
What are ribosomes?
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