Both are 50%, this is because Rr is dominant in a purple stem and rr is recessive in a green stem. By crossing these plants Rxr= Rr and rxr= rr.
Ecosystem is a community or group of living organisms that live in and interact with each other in a specific environment.
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
Answer:
B
Explanation:
Sickle cell anemia is an autosomal recessive trait, meaning two recessive alleles must be acquired by the child (one from each parent) for them to be affected with the disorder.
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it's b. anaphase and spindle fibres pulls chromosomes towards the centrioles in this phase.
Science is best known for logics.
Science is so interesting such that it method of processing and validating logics and facts with verifiable hypothesis and experimental evidence.
This scientific method is also an empirical method of acquiring knowledge which simply involves making observation, establishing hypothesis, designing experiment, analysing result and drawing conclusions.
A hypothesis is a reasonable explanation for a particular observed natural phenomena.
<h3>What is science?</h3>
Science can simply be defined as the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
So therefore, science is best known for logics
Learn more about science:
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