Using R for dominant alleles and r for recessive alleles:
1. Rr
2. Rr
3. rr
4. rr
5. r
6. r
7. R
8. r
9. 50% Heterozygous (Rr) 50% Homozygous recessive (rr)
10. 50% Heterozygous Big feet (Rr) 50% Homozygous Small Feet (rr)
Macrophages (histiocytes) - are phagocytes - these cells 'eat' particles such as bacteria. These cells are derived from white blood cells called monocytes (see the section on blood).
:)
I think the answer is true