Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.
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Answer:
To <em>Experiment</em>.
Explanation:
The scientific method is:
Observation/Question
Research
Hypothesis
Experiment
Collect Data
Analysis
Conclusion
Answer:
chromosomes
Explanation:
chromosomes which consist of genes which consist of DNA can pass on traits from parent to child.
it basically works by depending on the gender of the child it can inherit certain traits from its parents
so say the hemophilia is an XX being from the mom and to get the mutation you would need the X that has the mutation and either an X or Y from the dad.
I dont know if hemophilia affects X or Y but that is how the mutation would be passed on.
It is the b. food chain and begins with plant, then animals that eat plants, and finally animals that eat other animals.
