Bio Test Revision
What is a Genotype
What Type of gene is it
What is a phenotype
What you can see
What is a Sister chromatid?
They are an identical copies and and have same alleles of a gene
How is DNA formed?
It is formed with a continuous pairing of base pairs of nucleotides into a double-stranded straight helix
where is DNA found
In the nucleus
What are the 4 nitrogen base pairs
Adenine, cytosine, Guanine, Thymine
What pairs go together?
Adenine and Thymine and Cytosine and Guanine
What is an Autosomal dominant inheritance
When both parents have a trait but one or more offspring do not
What is Autosomal recessive inheritance
When both parents have a trait and one or more offsprings do have that trait
What is X-linked recessive inheritance
when more males than females are are affected
What is X-linked dominant
When more females are affected than males
What are Alleles responsible for
They are responsible for the big variation we see in the population of most orgasms