50 % of the offspring are expected to have roan coat If two roan cattle were crossed.
Explanation:
In codominance both alleles from the parents are expressed and the phenotype is different from the parents.
Roan is a type of coat colour where there is even occurrence of coloured and white hairs on the coat of the cattle.
The genotype of Roan cattle is CRCW (CR red, CW-white)
If two roan cattles are mated:
CRCW X CRCW
punnet square shows:
CR CW
CR CRCR CWCR the genotype ratio = 1:2:1
CW CWCR CWCW phenotype ratio = 1:2:1
1 pure white cattle
1 pure red cattle
2 roan cattle
Answer:
The answer is D.
Explanation:
The scientific theory is a statement or explanation that is given for a natural occurance of an event which can be observed, tried repeatedly to verify it's results and turned into a theory from a hypothesis.
The option D given in the question on the scientific theory is not correct because theories are not accepted as explanations for natural events and they are also not accepted without experiments that yield the same results repeatedly.
The statements given in options A, B, C and E can be regarded true with respect to the scientific theory.
I hope this answer helps.
Answer:
target cell
Explanation:
Cell communication includes one or more signaling cells and the target cell. Signaling cells produce signals. In the case of chemical signaling, the signaling cells produce chemical signals such as hormones or neurotransmitters or ligands. Target cells are the cells that respond to a specific signal produced by the signaling cell.
To receive and respond towards the signal, the target cells produce receptors where the signaling molecules bind to produce the desired effects in the target cells. For instance, liver and muscle cells are one of the primary target cells for the pancreatic hormone insulin.
Answer:
The rock pocket mouse, Chaetodipus intermedius, a small, nocturnal animal, is found in the deserts of the southwestern United States. Most of these mice have a sandy, light-colored coat that enables them to blend in with the light-colored desert rocks and sand on which they live.
Explanation:
Hope this helps!
