Why is it more efficient to perform a test cross with a homozygous recessive donor than a homozygous dominant donor? how could the same information still be found with a homozygous dominant donor?

Agene in a type of bacteria when the ses bacteria reproduce asexually this mutation can only be inherited by

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different