Answer:
A. 3/16
Explanation:
The four possible outcomes for Stem length are:
Tt, tT, TT and tt.
The dominant trait (tall stems) will manifest itself in 3 out of 4 outcomes, so its ratio is 3/4.
The four possible outcomes for flower coloration are:
Rr, rR, RR and rr.
The non-dominant trait (white flowers) will manifest itself in 1 out of 4 outcomes, so its ratio is 1/4.
Multiplying both ratios gives us the ratio of offspring that have tall stems and white flowers:
Therefore, the answer is A. 3/16
Answer:
Distance=Speed×time
=300000×8.5 (1 minute= 60seconds)
Therefore 8.5×60=510seconds
=300000×510
=153000000Km
Explanation:
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Properties of matter. solid, liquid, gas.
atoms. tiny particles that make up matter.
volume. amount of space that matter takes up.
mass. the amount of matter an object has.
Answer:
Cytokinesis
Explanation:
After meiosis I finishes, the cell splits in a period called cytokinesis. Each cell then has half the original number of chromosomes.
Answer:
b. The two bacterial strains have different phenotypes.
Explanation:
In genetics, the trait that is expressed is often referred to as the dominant trait and it can also be expresssed phenotypically.
Since one of the bacteria produces the inducer, it therefore means that bacteria has the dominant strain for the regulatory inducer while the other bacteria might have the strain but since it is not expressed phenotypically, it is as a result not dominant.
Phenotype refers to the physical appearance of an organism as a result of the interaction of its genes with the environment. Examples of phenotypic expresssions are hair colour, skin colour, height, etc.
