DNA
G pairs with which base
C
What does meiosis do?
Meiosis makes sperm and egg cells
What does mitosis result in?
Two identical daughter cells
What is heredity?
Heredity is the passing of physical and mental characteristics from one generation to another through genes.
The physical expression of a gene
Phenotype
A section of DNA
Gene
Does meiosis result in identical or non identical daughter cells?
Non identical
What is mitosis used for?
To grow and repair cells
___ is the study of heredity
Genetics is the study of heredity
The alleles present
Genotype
What are the four chemical bases?
Adenine, Guanine, Cytosine, and Thymine
How many daughter cells does meiosis make?
Four haploid daughter cells that aren't identical.
Why is mitosis important?
DOUBLE
Without mitosis, humans wouldn't have new cells and when the old cells break down, they can't be repaired
You get 23 of what from each of your parents?
From your parents, you get 23 chromosomes
(46 in total)
Ms Dowsett's dogs name
Monte Carlo
A change in the sequence of bases is called what?
Mutation
Meiosis is required for what kind of reproduction?
Meiosis is required forsexual reproduction
The _____ number does not change
The chromosome number does not change
The genotypes for male and female
Male= XY
Female= XX
The allele that will always be expressed if present
Dominant gene
What instructions does DNA contain?
DNA has the instructions for and organism to develop, survive, and reproduce
What lollies did we use to model meiosis
Gummy worms
How many daughter cells does mitosis result in?
two identical daughter cells
Write the alleles for a trait that is heterozygous, for example eye colour
Bb (or any two letters with a capital and lower case)
Two tools used to predict the genetics of offspring
Punnett Square or Pedigree