Assume that investigators crossed a strain of flies carrying the dominant eye mutation Lobe on the second chromosome with a strain homozygous for the second chromosome recessive mutations smooth abdomen and straw body.The F1 Lobe females were then backcrossed with homozygous smooth abdomen,straw body males,the following phenotypes were observed: 
Definitions:
Same Amount
A situation where a particular value or quantity remains unchanged across different instances or over time.
Present Value
The current assessment of a future sum of money or cash flows, when calculated with an agreed-upon rate of return.
Invest
Directing financial investments towards the achievement of profit or income returns.
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