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What is the advantage of producing sperm in a system of tubes rather than in solid tissue?
Producing sperm in a system of tubes allows for more efficient transport and maturation of sperm cells. It also provides a larger surface area for sperm production and storage, increasing the overall sperm count. Additionally, the tubular system allows for the regulation of sperm development through various stages.
When are sperm and eggs produced?
In humans, males will start producing sperm at puberty. From then on the male can produce millions of sperm per day. The human female is born with all the eggs she will use in her life time. At puberty, hormones stimulate the ovaries to release one egg per month until menopause. Females do not produce fresh eggs during their life.
Are mutations more common in sperm cells or egg cells?
It depends on the age of the person. There are more mutations and defects in eggs as the woman ages. However, as men are constantly producing more sperm cells they will inevitably produce more cells that have mutations. The percentage of sperms cells that have mutations will increase as the man ages.
Why must the male provide an excess of gametes while the female does not?
In most species, males produce a larger number of gametes (sperm) because they are smaller and more mobile compared to eggs. This higher number of sperm increases the chances of successful fertilization as sperm must travel to the egg and compete with other sperm for fertilization. Females, on the other hand, invest more energy in producing larger, nutrient-rich eggs that are less mobile and need protection, hence the lesser quantity.
Can a human unfertilized egg be stored like sperms?
No, unfertilized human eggs cannot be stored like sperm because eggs are much larger and more fragile than sperm. Sperm can be frozen and stored for long periods, while eggs are more delicate and require a complex process called cryopreservation, which is not as successful as sperm freezing.
What are the differences between female sperm and male sperm in terms of their characteristics and functions?
Female sperm do not exist. Sperm are produced by males and carry genetic material to fertilize eggs. Male sperm are smaller and more numerous than female eggs, and they determine the sex of the offspring. Female eggs are larger and contain nutrients for the developing embryo.
Why does a sperm have a tail and an egg doesn't?
Eggs do not move, but sperm do. The sperm's tail allows it to move more quickly to the egg.
Does the boy carry a sperm?
Yes, more than one, in fact.
Do plants produce eggs or cones?
Plants produce eggs and sperm. In certain plants, like those of thephyla Coniferophyta (your basic pines), the eggs and/or sperm are contained in cones. Therefore cones are not sex cells, they are more like carriers of gametes.
Why do you need roosters?
You need roosters to fertilize the eggs, therefore producing more chicks.
Why does the eggs covering change after a sperm has entered the egg?
The outer layer of the egg changes to prevent more than one sperm from entering the egg.
What are the advantages and disadvantages of producing sexually?
An advantage is their offspring may be more adaptable to changes in the environment.
