Crossing two true breeding parents with opposite parents is the key:
Assume W is straight wing and w is curly.
Then you are crossing WW with ww
This will result in ALL Ww as offspring - so all straight offspring
If you then cross Ww x Ww you end up with a mix of
WW (1), Ww (2) and ww (1) - so a mix of straight and curly
Answer:
P generation has straight wings and curly wings
F1 has all straight wings
F2 has straight wings and curly wings
Answer:
Explanation:
To fight against new invasion disease . Antigen play a big role
Scarlet fever was discovered in 1827, I believe
Hello there! The answer is A.
Reproduction is the process of how humans are made, so this is the correct option. The rest aren't the direct cause of an increase in human population.
I hope this was helpful, have a great day :)
