Answer:
b)a gray cat is the offspring of a black cat and a white cat.
Explanation:
We can eliminate a because sperm is used in sexual reproduction, c is an example of a cat inheriting a trait from it's parents which would be sexual reproduction, and d is 2 plants mating which is also sexual reproduction which only leaves you with b)a gray cat is the offspring of a black cat and a white cat.
The correct answer is polypoidy.
- Polypoidy means the pressence of an extra set of chromosome. This factor helps in various types of advancement in the plants.
- This polypoidy of plants results in bigger fruits and as the polypoid fruit is sterile they are seedless.
- The fruit formed has higher yield.
- They are resistant to diseases, high vigor and have good crop quality.
I believe the answer is Genes??If that is the answer. Hope this helps