Bio Class 6, Genetics Flashcards
1
Q
How many total chromosomes are there in humans?
A
46 total chromosomes,
2
Q
How many PAIRS of chromosomes do humans have?
A
23
3
Q
How many Pairs of human chromosomes are autosomes, and how many are sex chromosomes?
A
22 autosomal chromosomes
1 sex chromosome
4
Q
Are there one locus or multiple loci per gene?
A
One locus per gene
5
Q
How many RNA bases are there?
A
4 RNA bases
6
Q
How many codons are there?
A
64 codons
7
Q
what is hemizygotic?
A
when you have one allele or gene determining phenotype. This is the case in X linked recessive disorders
8
Q
In mitochondrial inherentace, all gene come from???
A
All genes are inherited from the mothers
