Answer:
This phenomenon is called as Penetrance.
Explanation:
- Sometimes a phenotype is not expressed even in the presence of dominant allele.
- Pentrance is the probability that the a particular trait would express.
- It is the extent to which a particular trait could be expressed in the phenotype.
- Extra digits on finger or toes and Osteogenesis imperfecta are examples of pentrance.
The tadpoles take their food from the yolk of an egg. The egg yolk is equivalent to the placenta. The placenta attaches itself to the uterus to provide the developing fetus with blood and oxygen.
Answer:
Chromosome crossing over in prophase 1 where DNA segments are moved between the homologous pair.
Explanation:
Answer:
Explanation:
Cholesterol is an important dietry intake that is gotten from saturated fats
About 200–300 mg of this dietry intake is produced or added daily.
The body compensates for excess cholesterol intake by reducing the amount of cholesterol that is synthesized. This is done by reusing the existing cholesterol in the body and the excretion of excess cholesterol into the digestive tract this is done by the liver through the bile.
About 50% of the excreted cholesterol is reabsorbed back into the bloodstream for use by the small intestines.