In most flowering plants, chloroplasts are not inherited from the male parent, although in plants such as pines, chloroplasts are inherited from males.

Aeschylus, in 458 BC, proposed the male as the parent, with the female as a " nurse for the young life sown within her.

Human sex cells ( sperm and egg ) have one complete set of chromosomes from the male or female parent.

Also, unlike a female, a male ( except in monogamous species ) has some uncertainty about whether or not he is the true parent of a child, and so will be less interested in spending his energy helping to raise offspring that may or may not be related to him.

Ecological stresses, especially near habitat margins, can also cause a breakdown of mate recognition as well as a reduction of male function ( pollen quantity and quality ) in one parent species.

In a diploid, one homolog is derived from the male parent ( sperm ) and one is derived from the female parent ( egg ).

When crossing wheat and rye, wheat is used as the female parent and rye as the male parent ( pollen donor ).

One chromosome of each pair is contributed by each parent: one by the female parent in her ovum, and one by the male parent in his sperm, which are joined at fertilization.

Since there are no native blackberries in Uruguay, the suspicion is that the widely grown ' Boysenberry ' is the male parent.

A father ( or dad ) is defined as a male parent or Individual progenitor of human offspring.

For example, once Common Guillemot chicks fledge, they remain with the male parent for several months at sea.

Additionally, women with BPD who reported a previous history of neglect by a female caregiver and abuse by a male caregiver were consequently at significantly higher risk of claiming sexual abuse by a noncaregiver ( not a parent ).

Concerning sexual reproduction, Aristotle argued that the male parent provided the " form ," or soul, that guided development through semen, and the female parent contributed unorganized matter, allowing the embryo to grow.

Certain traits, such as the popular gait that some horses and donkeys possess, seem to pass more readily through the male parent.

The male parent guards the eggs until they hatch about 6 to 10 days later, typically 2 hours after dusk.

For example, male zebra finches appear to prefer mates with the appearance of the female bird that rears them, rather than that of the birth parent when they are different.

After fledging the young birds continue to be dependent for food on the male parent for about 80 days, initially transferring food at perch and later in the air.

Young are fed liquefied and regurgitated insects directly by the male or female parent and are eventually weaned to small mammals and reptile fragments regurgitated onto the nest itself.

( Contrary to popular misuse, the word " colt " refers to a young male horse only ; " filly " is a young female.

The Europeans of Brazil hold that the seventh male child of the same sex in unbroken succession becomes a were-man, and takes the form of a horse ( or a mule ), a goat, a guará-wolf and a pig.

** Mule, a cross of female horse and a male donkey.

** Hinny, a cross between a female donkey and a male horse.

A horse can have between zero and five canine teeth, also known as tusks ( tushes for the deciduous precursor ), with a clear prevalence towards male horses ( stallions and geldings ) who normally have a full set of four.

A mule is the offspring of a male donkey and a female horse.

Of the two F1 hybrids between these two species, a mule is easier to obtain than a hinny ( the offspring of a male horse and a female donkey ).

A female cow and male horse were created at this time by Iwerks, but were also rejected.

* 2009-Rachel Alexandra, who was also the only horse, male or female, to ever win from the farthest outside position: 13th post.

He then won the inaugural Marlboro Cup against a field that included Secretariat's stablemate, the 1972 Derby and Belmont Stakes winner Riva Ridge, top California stakes winner Cougar II, Canadian champion Kennedy Road, Onion, Travers winner Annihilate ' Em, and the 1972 American champion three-year-old male horse Key to the Mint.

An incompletely castrated male in livestock species ( horse and cattle ) is known as a rig.

While the attention of horse racing fans and the media is focused almost exclusively on the horse's performance on the racetrack, or for male horses possibly its success as a sire, little publicity is given to brood mares.

A hinny is a domestic equine hybrid that is the offspring of a male horse and a female donkey ( called a jenny ).

It is similar to the more common mule, which is the product of a female horse and a male donkey.

Female donkeys, jennies, and male horses, stallions, are choosier about their mates than horse mares and donkey jacks.

The bucking horse is usually a gelding, a castrated male horse.

In Norse mythology, Máni is the male personification of the moon who crosses the sky in a horse and carriage.

Sutpen casts Milly and the child aside, telling them that they are not worthy of sleeping in the stables with his horse, who had just sired a male.

Castration, and the elimination of hormonally driven behavior associated with a stallion, allows a male horse to be calmer and better-behaved, making the animal quieter, gentler and potentially more suitable as an everyday working animal.

Owners of male horses, both geldings and stallions, need to occasionally check the horse's " sheath ," the pocket of skin that protects the penis of the horse when it is not in use for urination ( or, in the case of stallions, breeding ).

Although all his books were set against a background of horse racing, his male heroes held a variety of jobs including artist ( In the Frame and To the Hilt ), private investigator ( Odds Against, Whip Hand, Come to Grief, Under Orders — all starring injured ex-jockey Sid Halley, one of only two heroes used more than once ), pilot, artist, wine merchant and many others.

A Stallion is a male horse.

The male performs an aerial display during courtship, during which it makes a distinctive sound like a galloping horse.