This shows that the taste qualities and shape are being carried forward. Similarly beings also carry forward whatever good or bad kamma that one accumulates in this life and this kamma will determine the nature of the next life. Golden complexion, softness, correct features, pleasant qualities, leadership and retinue are derived from good kammas. As you saw, so shall you reap. Good action promotes good results.
Bad action promotes bad results.
The mango fruit fell under the same tree. But the ground is not fertile and as such it does not grow properly. It may be a fruitless tree and that depends on the place, where the fruit has fallen. Someone takes away this mango fruit and plants it in his garden where the place is fertile. He adds compost and waters it.