Chapter 29 Development Flashcards
What is your genetic makeup ?
Genotype
How are genes outwardly expressed?
Phenotype
What are Sex Chromosomes?
The pair that determines male or female
How many chromosomes does everyone inherit from each parent?
1 chromosome in each pair from each parent
What is an allele
a copy of 1 gene
What is homozygous?
2 identical alleles for a single gene
What is heterozygous?
2 different alleles for a single gene
What is the dominant gene?
The allele that will show in heterozygous
What is a recessive gene?
The allele that won’t show in heterozygous
What is codominance?
A mixing of the alleles will show
What is a carrier?
Someone with a recessive gene that can be passed on
What is X linked dominant?
An abnormal allele is dominant and occurs on the X chromosome
What is a X linked recessive?
Inheritance is more common because mother can be a carrier
What is a mutation?
A change in DNS sequence that may or may not affect phenotype.
