Answer:
1/2.
Explanation:
The autosomal dominant trait may en defined as the trait that can express itself even in the heterozygous condition and in the homozygous dominant condition as well.
Let the B allele is responisble for the roll tongue and b is recessive allele. The woman can roll the tongue and she must have the genotype Bb because her one parents is normal. The woman married with a man with non roller ( bb). The Bb × bb cross results in the following progeny Dd, Dd ( roller), dd and dd ( non roller). The probability of the child being a roller is 1/2,
Thus, the answer is 1/2.
Answer:
Change their external environment is the correct answer.
Answer;
C) 9. (mitochondria)
Explanation;
-Mitochondria is the organelle where the process of cellular respiration takes place. Cellular respiration is the process by which plants and animals break down food compounds such as glucose to generate energy that is used to drive cellular processes such as transport and growth.
