A. Patient is male because there is a Y chromosome
B. 47 chromosomes
C. Down syndrome or trisomy 21
Answer:
A : cohesion and adhesion
Explanation:
It would be: Rr × Rr
Result of cross would be: 1RR, 2Rr, 1rr
So, it's genotypic ratio = 1:2:1
Phenotypic ratio = 3:1
Hope this helps!
