Answer:
Restoration of the diploid condition and the determination of gender.
Explanation
Conception occurs when the male gamete fertilizes the egg and an embryo is formed.
This is event significance in biological developmental science because at this point is when the diploid condition is restored.
When the sperm containing half the number of chromosomes of the father fuses with the egg that contains half the number of chromosomes from the mother to form a diploid embryo.
Secondly, depending on the sperm that fertilized the egg, gender is determined.
Answer: In vitro fertilization
Explanation:
In vitro fertilization (IVF) involves some procedures used to help with fertility. This series of procedures are usually complex and can help prevent genetic problems and assist with the conception of a child.
During IVF, mature eggs are collected from the female ovaries and sperms from the male and fertilized in the laboratory. The fertilized egg are then transfered back into the uterus for its growth and development.
The sperm and eggs could be from partners who have decided to carry out IVF or from donors. IVF is usually Carried out by high rating laboratory. One full cycle of IVF takes about three weeks. IVF are usually expensive and could take a longer time if splits into different aspects.
IVF is an effective reproductive technology.
Answer:
A - 1. Carbon dioxide is converted to sugar used for food (this is process of phosynthesis).
G - 2. Carbon trapped in fossil fuels is converted to carbon dioxide (this is combustion of fuel).
E - 3. Organic carbon is converted to fossil fuels.
H - 4. Carbon dioxide is converted to carbonates.
F - 5. Sugar is broken down and converted to carbon dioxide (this is breathing).
Explanation:
Answer: It’s called a point mutation.
Explanation:
