I'm the process of genetic engineering what is the correct order of the steps

Which allele combination represein a dihybrid cross for round and yellow seeds (rryy x rryy), what is the probability of having green and wrinkled seeds? nts a male who has an x-linked recessive disorder? which allele combination represents a male who has an x-linked recessive disorder?

Someone me with this: a mineral' is determined by its actomic structure.

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?