Answer:
both parents
Explanation:
both parents are recessive
Fruit flies produce offspring relatively fast and have specific traits, such as eye color and body color/shape. They are easy to observe and their traits are easily traced throughout the next generations.
Answer:
Two first the sponge can claim are
1. reproduce sexually
2. combine sperm and egg
Answer:
No.
Explanation:
Chromosomes are visible only in reproduction otherwise they are in thread like structure called chromatin. Almost all nucleated cells contain chromatin or chromosomes while non-nucleated cells don't have chromosomes because chromosomes are always present in nucleus. Non-Nucleated cells include Red Blood Cells and thrombocytes.
By humans breathing . or by pollution .