Learning Intention 7 Flashcards
Punnet Squares (13 cards)
1
Q
What are autosomal chromsomes
A
the first 22 pairs of chromosomes on the human karyotype
2
Q
Which chromosome pair is sex-linked
A
pair 23
3
Q
XX
A
female
4
Q
XY
A
male
5
Q
What is a locus
A
the location of a gene on a chromosome
6
Q
What are homologous pairs
A
identical pairs of chromsomes
7
Q
Homozygous
A
all alleles are the same and the indivudal is ‘pure-bred’
8
Q
Heterozygous
A
alleles are different and the individual is hybrid
9
Q
Dominant gene
A
the gene that is always expressed, and it is given a capital letter
10
Q
Recessive gene
A
only expressed in the abscence of the dominant gene, and it is given a lowercase letter
11
Q
Phenotype
A
physical attributes of the organism
12
Q
Genotype
A
genes carried by the organism
13
Q
What does the dominant allele mask
A
the recessive allele
