Answer:
The correct answer is - 50% or 1/2.
Explanation:
In codominance both alleles express their traits and blend to make new traits, there is no dominance or recessive pattern found. In this question, there is FF have pink feathers, PP has purple feathers and mottled diriclaws (FP). Then a cross between pink feathers and mottled diriclaws would produce offspring:
F F
F FF FF
P FP FP
Here two out of four have pink feathers. That is 50%
Homologous or sister chromatids
<span>7. Extra sugar into the blood to provide enough food source. It can also trigger the hormone adrenaline which gives energy.
8. Bone marrow increases the white blood cell count which overall increases the chance of countering infections
9. The parasympathetic nervous system is responsible for keeping the body at a relaxed state . I.e. it would reduce the heart rate if it is too high. The parasympathetic nervous system is affected by a stresser causing it to become inactive until the stressor has gone
10. increased blood pressure can develop into chronic stress.
11.If you have chronic stress lasting more than a month there is a high probability you will catch an infection.
12. Our sympathetic nervous system controls stress by changing our body state i.e. higher heart rate.
13. Renin is an enzyme that is secreted into the body by the liver which is used to restore liver stress levels.
14. Glucocorticoids is a series of hormones/drugs that are used to treat any inflammatory conditions especially in the brain, liver and kidney
15. The immune system is made up of more than a trillion white blood cells all coded to help deal with different types of pathogens.
16. Its a type of hormone produced by the thymus gland which is heavily used in the immune response to fight off infections.
17.a large cell that is found in the damaged tissue which helps fight off infection
18. It is a type of lymphocyte responsible for the production of antibodies. it can be found all over the body
19. *cannot be answered*</span>
The answer to the question above is letter "B. stroma". In the stroma are grana, stacks of thylakoid, others. Stroma contains important molecules which are useful for the photosynthesis and other metabolic functions of the cells. It may also contain enzymes and ions.
