How many lumbar vertebrae are there in a typical adult skeleton? 12 7 4 5?

Where is energy trapped inside the organelle chlorophyll

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a