4. what is used to make a linkage map for a group of organisms?

the number of traits one gene set can control in the group

the number of times linked genes are separated in the group

the number of different genes found in the group

the number of phenotypes a gene set can produce in the group

the number of phenotypes a gene set can produce in the group

Explanation:

gradpoint

compost can be added to topsoil as a:

pesticide

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.