Science refers to the construction of knowledge by using the scientific method. This method is based on empirical evidence.
Science can be defined as the construction of knowledge (scientific knowledge) by using the scientific method.
The scientific method includes several sequential steps:
- Observation
- Ask questions
- Form a testable explanation (hypothesis)
- Test the hypothesis
- Collect results (empirical evidence)
- Draw conclusions
In the scientific method, empirical evidence can be used to support the working hypothesis.
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I’d imagine “located near a star” considering that stars are suns and planets orbit around suns. Like earth orbits our sun. So I would look at the star it orbits to determine that it is not in our galaxy.
A cross between two linked genes was done in coupling configuration and in repulsion. In coupling, the recombination frequency is greater than 1/16 and in repulsion, the recombination frequency is less than 1/16
If the cross between two linked genes is in coupling, then the recombination frequency is greater than 1/16 having the genotype aabb and phenotype ab.
If the cross between two linked genes is in repulsion, then the recombination frequency is less than 1/16 having the genotype aabb and phenotype ab.
Coupling is the gamete entered having genes from identical parents having same inheritance.
Repulsion is the gamete entered from different parents having separate inheritance.
Genes in coupling configuration on a homologous chromosome have two wild alleles and two mutant alleles on the other homologous chromosome.
Genes in repulsion configuration have a wild allele on one gene and the second gene on other homologous chromosome having a mutant allele.
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Following gastrulation, the next major development in the embryo is neurulation, which occurs during weeks three and four after fertilization. This is a process in which the embryo develops structures that will eventually become the nervous system
