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What are the cells that are used for reproduction and that contain half the usual number of chromosomes?
Gametes are cells used for reproduction that contain half the usual number of chromosomes. In humans, gametes are sperm cells in males and egg cells in females. During fertilization, a sperm cell and an egg cell combine to form a zygote with the full complement of chromosomes.
When a cell such as an egg or sperm only contains one copy of each pair of chromosomes from the parent cell you call this chromosome number?
haploid.
What do you call a cell with one of each kind of chromosme?
This is sex sells (gametes, sperm and egg).They have haploid number of chromosomes and used for sexual reproduction
What do you call chromosome that look alike and carry genes for the same trait?
Chromosomes that look alike and carry genes for the same trait are called homologous chromosomes. The nucleus contains these chromosomes.
What do you call the moment when the sperm and ovum join together?
Fertilization.
What are the cells that are used for reproduction and that contain half the usual number of chromosomes?
Gametes are cells used for reproduction that contain half the usual number of chromosomes. In humans, gametes are sperm cells in males and egg cells in females. During fertilization, a sperm cell and an egg cell combine to form a zygote with the full complement of chromosomes.
How many chromosomes does the sperm call contain?
1 - it determines the sex if it fertilises the ovum
How many chromosomes do each human egg cell have?
A human egg/sperm cell has 23 chromosomes. When the sperm and egg fuse together,, the zygote (fertilised egg) contains 46 chromosomes. Scientists call this the diploid number, with the sperm/egg having a haploid number of chromosomes. This number varies between species.
What do you call a substance formed when two or more elements combine and lose their distinct properties?
pussey
When a cell such as an egg or sperm only contains one copy of each pair of chromosomes from the parent cell you call this chromosome number?
haploid.
What do you call a cell with one of each kind of chromosme?
This is sex sells (gametes, sperm and egg).They have haploid number of chromosomes and used for sexual reproduction
How do body cells and sex cells differ?
Human cells have 46 chromosomes (call that 2n, or 2 times n). Now then, if an egg cell + sperm cell = fertilized egg (which becomes a human), how many chromosomes do each have? An egg cell must have 23 chromosomes, and a sperm cell must have 23 chromosomes, because 23 + 23 = 46. When the egg (23) and sperm (23) combine to form a fertilized egg, this egg will now have 46 chromosomes. So human sex cells have n, or 23 chromosomes. If you mean to distinguish somatic chromosomes from sex chromosomes, then you have 22 pairs of somatic chromosomes plus one pair of sex chromosomes, for a total of 46 chromosomes.
What do we call an organized profile of a person's chromosomes?
we call it a karyotype
What do you call chromosomes that look alike and carry genes for the some traits?
homologous chromosomes
What do you call a change in a gene or chromosomes?
mutation
How many sperms unite with the egg and what do you call this union?
Only one sperm unite with the egg at a time and this process is called fertilization. A zygote is formed after this union which later on develops in to an embryo.
What are sperm call?
germ cells
