I would say the first option
Answer:
25%
Explanation:
Tt will cross with Tt resulting in 25% TT, 50% Tt, and 25% tt
Answer:A.Human geographer.
Explanation:
B. subtract the frequency of the recessive allele from 1.
Answer:
A shark's skeleton is made of cartilage , a type of strong but flexible tissue .Most other fish are covered in smooth , flat scales . A shark is covered in sharp , toothlike scales called denticles . Most other fish have flaps over their gills.
Explanation:
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