The name Nathan typically represents a human male and does not correspond to a specific animal.
Oh, dude, a male tiger is called a tiger. I know, mind-blowing, right? Like, they don't get a fancy new name just because they're dudes. It's like calling a male human a human... oh wait, we do that too.
A male crocodile is called a bull.
A male pronghorn is called a buck
Male hummingbirds are called cocks
In mammals, including humans, males have one X and one Y chromosome (XY) while females have two X chromosomes (XX). The presence of the Y chromosome in males determines their heterogametic status, as the Y chromosome carries the SRY gene responsible for male development. In contrast, females do not have a Y chromosome, making them homogametic with two X chromosomes.
Human females are homogametic because they have two X chromosomes (XX), making them the heterogametic sex, while males have one X and one Y chromosome (XY). This is in contrast to species where males are homogametic and females are heterogametic, such as birds.
Male is called heterogametic because they produce two different types of gametes (sperm), carrying either an X or a Y chromosome. In humans, males are XY, which means they determine the sex of the offspring. On the other hand, females are homogametic, as they produce only one type of gamete (eggs) carrying an X chromosome.
No.
A human adult male is called a man.
I'm reasonably sure it's a hen, and males are cocks. (Don't snicker, even if you are a disgruntled female.) This is the correct nomenclature for game and domestic fowl, and I think it carries over to all birds. Otherwise, you could refer to them as "ZW penguins", after their heterogametic chromosome makeup (unlike most , but not all, species, in which the male is the heterogametic sex), or simply "the female". If the latter is good enough for David Attenborough, it's good enough for me.
I'm reasonably sure it's a hen, and males are cocks. (Don't snicker, even if you are a disgruntled female.) This is the correct nomenclature for game and domestic fowl, and I think it carries over to all birds. Otherwise, you could refer to them as "ZW penguins", after their heterogametic chromosome makeup (unlike most , but not all, species, in which the male is the heterogametic sex), or simply "the female". If the latter is good enough for David Attenborough, it's good enough for me.
hermaphrodite
Castration means that the male has had his testicles removed, and is therefore neutered. A castrated male human is called a eunuch. A male singer who was castrated as a boy in order to keep his voice from changing is called a castrato.
The human gametes are called sperm (male) and egg (female).
A Z chromosome is a sex chromosome in a species in which the female is heterogametic (i.e. has different sex chromosomes). The counterpart is the W chromosome. In an XY system (e.g. humans), the male is heterogametic, XY, and the female is homogametic, XX. In a ZW system, the male is homogametic, ZZ, and the female is heterogametic, ZW. Examples of species with ZW systems include all birds, many reptiles, fishes and some insects.
The human male gamete is called a sperm cell and is produced in the testes. It is formed through the process of spermatogenesis, where male germ cells undergo meiosis to produce haploid sperm cells.