Yes. If your income is too high to allow you to benefit from the credit, you can let your child use it. To do this, you must forego the dependency exemption you would otherwise have claimed for her.
The difference between amount realized and adjusted basis on the sale or exchange of capital assets. Long-term capital gains are taxed favorably. Capital losses are deducted first against capital gains, and then again up to $3,000 of other income.