DNA is contained in blood, semen, skin cells, tissue, organs, muscle, brain cells, bone, teeth, hair, saliva, mucus, perspiration, fingernails, urine, feces, etc. Where can DNA evidence be found at a crime scene? DNA evidence can be collected from virtually anywhere.
I don’t know the answer to this question
Answer:
a) (62 +68)/545
b) The two genes are linked.
Explanation:
a) The recombination frequency is equal to:
%
b) It can be seen that red plants with single flower and yellow with double flower are recombinant, this means that their parental combinations are uneven. This is due to a cross that occurred between the two genes. From the obtained result it can be said that both genes are linked.
Answer:
The correct answer is option a. "down syndrome; heart problems".
Explanation:
Down syndrome is a disorder that is developed in people with an extra chromosome 21. People with Down syndrome are intellectually disabled and have the physical characteristics of having short fingers, slanted eyes, and a protruding tongue, as well as a decreased musculature, a short neck and a small head. Children with Down syndrome usually suffer from heart problems, the most common being the Atrioventricular Septal Defect.
Answer:
Vascular plants and phloem
Explanation:
xylem vessel transports tissue in them. They mainly transport water/nutrient through the roots to the stem and leaves.
I hope this helps!
