biology 4

Question 1

Chromosome theory of inheritance

Answer 1

genes are located on chromosomes and that the behavior of chromosomes during meiosis /

Question 2

what is a barr body and what does it do

Answer 2

this is an inactive X in each cell of a female condenses into a compact object / X chromosome will form the Barr body occurs randomly and independently in each embryonic cell present at the time of X inactivation

Question 3

what do sex linked chromosomes do

Answer 3

a gene located in the sex chromasomes most of these are x linked genes, if a male inherests a ressecive x gene they will exspress traits such as color blinsness

Question 4

what are linked genes

Answer 4

Genes located close enough on a chromosome they tend to be inherited together

Question 5

What is the concept of recombination of unlinked genes

Answer 5

the random orientation of homologous chromosomes at metaphase 1 in meiosis which leads to independent assortment of unlinked genes

Question 5

pedigrees

Answer 5

Reveal the inheritance pattern of a specific trait such as a widows peak and the relation between the parent and offspring with that trait

Question 6

what is the difference between polyploidy and aneuploidy

Answer 6

polyploidy extra sets of chromosomes and is fatal to animals and humans aneupoly is when you have a missing set of chromosomes