Answer:
Rock is a solid mixture of crystals of one or more minerals, or organic matter.
Taking all genotypes into account, either 25%, 100% or 50% will show the recessive trait. In order to express the recessive trait, the individual must have one copy of the recessive allele from each parent.
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Answer:
discovered moons around Jupiter and phases of Venus.
Explanation:
This is because Galileo was a scientist that discovered some proofs to back heliocentric theory. He discovered four moons in the orbit that surrond jupiter and he napped out how the medicean stars where rightly positioned even at night. They would not orbit around Jupiter if the Earth was at tye center of the system. Venus is very close to the sun and it won't go through phases of the Earth is at the system's center.
Heliocentric theory indicate the sun being the centre of the system.
The answer is; B
Mutations change the order of nucleotide and therefore affects codons that code for proteins. A different protein is thus produced from the wild type hence creating variations. Genetic shuffling in sexual reproduction, also called gene recombination occurs during meiosis and also when different organisms exchange genetic material such as in bacteria.
