It is because the males are heterozygous in terms of sex chromosome. They carry one copy of the X chromosome and one copy of the Y chromosome. So, only a single copy of allele is enough to produce the phenotype.
Answer:
TT and Tt
Explanation:
Becuase the dominant allele can mask the recessive one, both TT and Tt are correct.
Answer: it also functions on an interval by helping food movement in the stomach and small intestines.
Explanation:
Both parts of the digestive system .
Answer:
Mitochondria are the "powerhouses" of the cell, breaking down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis