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What is a z chromosome?
The Z chromosome is a sex chromosome found in birds, reptiles, and insects. In species with ZW sex determination, females have two Z chromosomes (ZZ) and males have one Z chromosome (ZW). The Z chromosome plays a role in determining the sex of an individual.
What is female peguin called?
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.
What is a female peguin called?
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.
How do birds get chicks?
Male and female have sex. Female lays egg(s). Eggs hatch = Chicks
Why is it believed that the father determines the sex of his children?
In humans, the sex of an individual is determined by what combination of sex chromsomes he or she possesses. The sex chromsomes are called 'X' and 'Y' (because of their shape). Females possess two copies of the X chromosome, while males have one X and one Y. In more technical language, in humans the female is the homogametic sex and the male is the heterogameticsex. These terms give a clue to the answer to your question. Females can only produce one type of egg, those with an X chromosome, since they only have one type of sex chromosome (the X) to work with. Males, on the other hand, can produce two kinds of sperm: those carrying an X chromosome, and those carrying a Y. Since every human--male or female--carries at least one X chromosome, and the female can only produce gametes with X chromosomes, the male determines the sex of the child, because if he contributes another X chromosome, the child will be female, and if he contributres a Y, the child will be male. Note: in some other organisms, such as birds, the situation is reversed: the female is the heterogametic sex, and the male the homogametic sex. So in birds, the female determines the sex of the offspring.
What sex parakeet should get to get along with a 2 yr old male?
The sex of the bird does not effect how well the birds will get along. Although, If you do have a female with a male, there is a possibility of the birds mating.
Why male is called heterogametic?
gametic is referring to the term gamete which is a sex cell, and hetero means having two different of something so it means having different sex cells.
What is the classification of chromosomes?
One classification of chromosomes is into circular and linear. Prokaryotes have circular chromosomes, but they are not geometrically circular - better to say they are in the form of a loop, so that the DNA has no end. Eukaryotic cells have linear chromosomes in the nucleus, but circular chromosomes in mitochondria and chloroplasts, probably reflecting their origins as independent prokaryotes.Another classification is into sex chromosomes and autosomes. Sex chromosomes are responsible for sex determination in some, but not all, organisms. In humans the sex chromosomes are called X and Y, and the female is the homogametic sex (because all gametes must carry an X), while the male is the heterogametic sex (XY). In birds it is the other way round: the male is homogametic (WW) and the female heterogametic (WZ).Another form of classification is to number the autosomes. This is done with Arabic numerals, starting with the longest chromosome. Thus the longest human chromosome is chromosome 1, the next longest is chromosome 2, and so on. Unfortunately early microscopists incorrectly ranked the two smallest, and the Human Genome Project found that chromosome 22 is actually longer than chromosome 21, but the names have stuck.
What is the sex chromosomes of male?
In humans and other mammals, a male has XY sex chromosomes. In birds, a male has XX chromosomes. In amphibians, male chromosomes look the same as female chromosomes.
Do birds reproduce sexually or asexually?
Birds reproduce sexually.Bird species all reproduce sexually. It takes a male sperm to fertizile the female egg that is laid and will hatch into a chick.
Many chromosomes do parrots have?
a parrot has 24 chromosomes
How do flowers have babies?
The pollen from the male sex organ has to get into the female sex organ called the pistol. Sometimes the wind does this. Sometimes insects, birds or bats do this. Sometimes humans help plants produce seeds.
