Sentences with phrase «female mammals»

Most female mammals are anything but subtle when it comes to telling males it's time for sex.

For many female mammals, mothers and maternal sisters dominate all aspects of an individual's social life.

«Percy's coloring is unique due to X chromosome inactivation seen in female mammals,» Laura Emptage explains.

The other female mammals known to act as midwives to each other include common marmosets, elephants, bottle - nosed dolphins and, of course, humans.

Whey protein is essentially globular proteins (spheroproteins)- proteins formed by compacted amino acid chains manufactured in the body of female mammals (humans included) to feed young.

Spotting first week of pregnancy Pregnancy is defined as carrying one or more embryos or fetuses by female mammals in their uteruses, including humans.

Homo sapiens is arguably the only species to have clear female orgasm, and one of the few female mammals to remain sexually receptive year - round.

The findings make evolutionary sense because baby boys are typically 100 grams heavier than baby girls, so female mammals may have evolved ways to favour production of boys when resources are plentiful.

Female mammals appear to evolve promiscuity as a defence against infanticide by dominant males, and this in turn swells the males» testicles

For female mammals (including humans), nipples secrete / produce milk to feed infants.

Women — and other female mammals — are born with a fixed number of eggs, which remain dormant in the ovaries until the release of a single egg per menstrual cycle.

Pregnancy is the carrying of one or more embryos or fetuses by female mammals, including humans, inside their bodies.

Most female mammals have a heat cycle the phase in and out of, whether they mate or not.

Female mammals are capable of producing far fewer off - spring, but have almost complete certainty about which are theirs.

Each «problematic» — a constellation of problems, really — is rooted in the different reproductive strategies of male and female mammals.

Female mammals are born with millions of dormant eggs, but only a small fraction ever mature into cells with reproductive potential.

It's also additional evidence that germline stem cells collected after a female mammal is born can still turn into viable eggs, Telfer says.

Pregnancy and motherhood change the structure of the female mammal's brain, making mothers attentive to their young and better at caring for them

Q: I apologize if this question sounds slightly prurient: What is the evolutionary purpose of the human hymen, and do any other female mammals have such a membrane?

Biologists previously assumed that female mammals are born with a limited supply of eggs, which gradually declines with age.

Mammary glands are the organs that, in the female mammal, produce milk for the sustenance of the young.

By allowing just the right amount of beneficial transposon - generated genetic variation, female mammals are giving their offspring and species the best chance of thriving in an uncertain, dangerous world.

In female mammals, one of the two X chromosomes is transcriptionally silenced during early development to compensate for the double «dose» of X-linked gene products in females -LSB-...]

Mammary tumors are tumors that are formed in the mammary gland which is the milk - producing gland of women or other female mammals.

In 1961, Mary Lyon proposed the concept of X-inactivation: one of the two X chromosomes inside a female mammal shuts off.

All female mammals get bonus years and all female mammals that loose their ovaries before middle age loose those bonus years including humans who have the same average life span as a man if they receive a full hysterectomy before middle age.

But female mammals, including humans, do have a method of excreting about half of these poisons.

Sexual attractivity, proceptivity, and receptivity in female mammals.