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Why can egg cells from a horse only contain an x chromosomes?
Females only contain X in their sex chromosomes. That s why females have XX and males XY. When females form gametes, they only can form them with a X chromosome. This however have some exceptions, for example, chicken females are XY whereas males are the one with XX.
How many chromosome 7 s are there in the human nucleus?
Two, one from each parent. Over 90,000 genes are found on each chromosome and are mostly responsible for protein productions.
When is DNA not tightly coiled into a chromosome?
S phase of Interphase
What is the functional unit of information on the chromosome?
The functional unit of information on a chromosome is a gene. Genes are segments of DNA that contain the instructions for making specific proteins, which play a crucial role in determining an organism's traits and functions. Each gene carries the information necessary for a particular biological function.
When is the S phase completed?
when each chromosome has been duplicated
What has the author Arvind Babu written?
Arvind Babu has written: 'A guide to human chromosome defects' -- subject(s): Human chromosome abnormalities
What has the author Ursula Mittwoch written?
Ursula Mittwoch has written: 'Genetics of sex differentiation' -- subject(s): Cytogenetics, Genetic Sex differentiation, Sex Determination, Sex chromosome abnormalities, Sex chromosomes
How many chromosomes s in the human body?
Every human being has 23 pairs of chromosome which translates into 46 chromosomes.
How is gender inheritance?
Gender is inherited from your parent's 23rd chromosome. The (XX) chromosome pair is for a female and the (XY) chromosome pair is for a male. You get a (X) chromosome from your mother because she has two (x)'s. Her 23rd chromosome is (XX). It's your father's chromosome that determines what gender you are. His 23rd chromosomes were (XY). If you get an (X) from him, you become a girl. If you get a (Y) chromosome from him, you become a boy. This all happens when your mother's egg is fertilized.
What has the author R G Beilharz written?
R. G. Beilharz has written: 'The importance of the sex-chromosome in quantitative inheritance' -- subject(s): Heredity, Sex chromosomes
What is a human quality beginning with the letter s?
Sex
Why can egg cells from a horse only contain an x chromosomes?
Females only contain X in their sex chromosomes. That s why females have XX and males XY. When females form gametes, they only can form them with a X chromosome. This however have some exceptions, for example, chicken females are XY whereas males are the one with XX.
How many chromosome 7 s are there in the human nucleus?
Two, one from each parent. Over 90,000 genes are found on each chromosome and are mostly responsible for protein productions.
Why do human males have Y chromosomes?
No, males of all species do not have Y chromosomes. Some species use other chromosomes for sex determination. Some birds and insects use a ZW chromosome system for sex determination, for example. There are also species whose sex is environmentally determined. For example, the sex of some reptiles is determined by the temperature at which their eggs are incubated.
What has the author Clifford Bishop written?
Clifford Bishop has written: 'Sex and spirit' -- subject(s): Body, Human, Human Body, Mythology, Religious aspects, Religious aspects of Sex, Religious aspects of the Human body, Sex 'Rhythm & reason'
When is s phase complet?
S phase is complete when each chromosome has been duplicated.
What has the author Roger R Hock written?
Roger R. Hock has written: 'Human sexuality' -- subject(s): Sex (Psychology), Sex, Sex (Biology)
