Answer:
option D
Explanation:
the plant will lose water because water moves out of the cell and the vacuole will leave the cell
Answer:
They both had a tail as an embryo, and Their arm and leg structure is similar, but may have a different function.
The heart, the blood vessels, lymphatic system (or defense system), and the blood are the four main parts of the circulatory system.
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People can introduce their own biases into an experiment.
Answer:
d. 3:1
Explanation:
A purebred organism is an organism that contains identical alleles for a particular gene e.g rr or RR. According to this question, in a cross between a purebred dominant organism e.g RR and a purebred recessive organism e.g rr, each parent will produce R and r gametes respectively.
Using the gametes in a punnet square (see attached image), a heterozygous organism (Rr) will be produced in the F1 generation. If these heterozygous organism is self-crossed i.e. Rr × Rr, the following F2 offsprings will result;
RR, Rr, Rr, and rr.
RR, Rr and Rr will exhibit dominant traits while rr will exhibit recessive traits. This means that the F2 generation contains a ratio of approximately 3:1 expressed dominant traits to recessive traits.