Explanation:
the third daughter has hazel eyes because her parents alleles are both Bb which means Bb+Bb could equal Bb or bb
The variable that researchers manipulate is the independent variable.
The reason for this is because in experiments different manipulations are often introduced. The sole purpose of these manipulations is to see whether they will affect our independent variable and if they will change its value.
Narcotics mimic the brain’s internal system....
A. In prophase I, tetrads of homologous chromosomes form and crossing over occurs
hope this helps :)
