Inheritance in Nov mock Flashcards
1
Q
what is a gene
A
a length of DNA which codes for a protein
2
Q
what is a genome
A
one copy of all an organism’s DNA
3
Q
what is an allele
A
variations of the same gene
4
Q
what is diploid
A
a cell that contains two complete sets of chromosomes
5
Q
what is haploid
A
contains one set of chromosomes
6
Q
what is dominant
A
always expressed even with only one copy
7
Q
what is recessive
A
needs two alleles to be present to be expressed
8
Q
what is codominant
A
when both alleles within a genotype are expressed in the phenotype
9
Q
what is homozygous
A
two alleles of a gene that are the same
10
Q
what is heterozygous
A
two alleles of a gene that are different
11
Q
what is a phenotype
A
observable characteristics of an organism
12
Q
what is a genotype
A
the combination of alleles that control each characteristic
