When a cat embryo is developing, the embryo produces a unique type of hemoglobin that is not found in the blood of adult cats or kittens. What is best explanation of how the embryo can produce a different type of hemoglobin from adult cats and kittens?

Question 5 options:

Cats lose genes over their lifetime

Cats gain more genes throughout their lifetime

Cats express different genes for different types of hemoglobin at different times in their development

The embryo has different genes from adult cats and kittens

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?