Sentences with phrase «male xy»

Some doubt, however, that such a feat would ever be possible — the Hinxton Group, an international consortium of scientists that discusses stem - cell ethics and challenges, concluded that it would be difficult to get eggs from male XY cells and sperm from female XX cells.

The most serious, and common, is Klinefelter's syndrome where, instead of having a male XY chromosome or a female XX, the person has XXY.

Not exact matches

The male is XY and can contribute either an X or a Y.

Because female mosquitoes always produce an egg with an X chromosome, the mosquitoes that survive are all XY — only males.

Whether a mammal is a male or a female usually comes down to its set of sex chromosomes, either XX if you're female, or XY, male.

A healthy male devil has 14 chromosomes, including an XY (male) chromosome (top).

Although we think of females being XX (that is, having two X chromosomes) and males as being XY, it's the other way around in these giant monitor lizards.

The idea was to use the standard idea of sex determined by sex chromosomes — XX for female and XY for males — and to ask what would happen if culture affected the different numbers of each being produced.

In addition to normal ovarian development, the increased number of gonocytes (fetal and neonatal germ cells) is sufficient for male - to - female sex reversal in XY medaka.

When germ cells are removed in medaka, XX (female) fish show female - to - male sex reversal, while XY (male) fish with excessive germ cells, which is usually associated with egg production, exhibit male - to - female sex reversal.

Such impairment prevents testes development, leading to a mismatch between a child's chromosomal sex (XY, ordinarily male) and outward features (female).

A group of researchers from Case Western Reserve University School of Medicine have completed a comprehensive molecular analysis of a toddler who developed as a female despite having a male genetic background, termed XY sex reversal.

While these XX male mice had the same level of testosterone as normal XY mice, they displayed more masculine sexual behaviours — mounting females more often and ejaculating more frequently.

To confirm that the differences were a result of a hidden factor on the X chromosome and not the lack of a Y chromosome, the team compared XY male mice with XXY male mice, which carry an extra X chromosome.

It is virtually impossible to derive eggs for reproduction from XY (chromosomally male) cells and sperm from XX (chromosomally female) cells.

Beatrice Mintz (1968) reported enzyme and kayotype studies showing an adult male sex chromosome chimera with 95 % XX and only 5 % XY somatic cellular components.

The SSEA3 - selected iPSCs also demonstrated a normal male karyotype (46, XY)(Figure 5B), the ability to differentiate into functional beating cardiomyocytes in vitro (Movie S2) and differentiate into representatives of all three germ layers in vivo (Figure 5C).

Throw in a director and male lead from another youth - oriented Disney cable property (ABC Family's «Kyle XY») and you get something that is like a Disney Channel Original Movie in everything but name.

Male (XY) dogs can pass either an X or a Y - chromosome — if the puppy receives an X-chromosome from its father then it will be a female (XX) puppy and if it receives a Y - chromosome then it will be a male (XY) puMale (XY) dogs can pass either an X or a Y - chromosome — if the puppy receives an X-chromosome from its father then it will be a female (XX) puppy and if it receives a Y - chromosome then it will be a male (XY) pumale (XY) puppy.

Female dogs have two X-chromosomes (XX) and male dogs have one X-chromosome and one Y - chromosome (XY).

That makes them rarer than males certainly (because in males the X gene in the XY combination takes over, so that even if both parents were not orange, a cat with an X orange gene will be orange — it happens more often in other words).

Therefore, since male cats are XY and not XX, calicos are very rarely males.

I spoke to the two male partners who worked on litigation with XY and to my husband (who had known about the earlier incidents as well); the more senior of the partners talked to XY, and XY apologized to me.

Even the male lawyers at his own firm and who worked at his client did not follow XY's example or endorse his behaviour.

A significant relationship between problem gambling and male gender was found (r xy = 0.12, p =.04).