Phylo
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General Info
Mitochondrial and Nuclear Genome
Male & Female Chromosomes
Biological sex is typically* determined by the combination of sex chromosomes inherited from both parents.
Females typically* have two X chromosomes (XX), and males typically have one X and one Y chromosome (XY).
It is the contribution of the male during fertilization that determines the genetic sex of the offspring.
General Info
Mitochondrial and Nuclear Genome
- The mitochondrial genome is inherited solely from the mother (a biological female).
- Fathers (biological males) do not transmit their mitochondrial genome to their offspring.
Male & Female Chromosomes
Biological sex is typically* determined by the combination of sex chromosomes inherited from both parents.
Females typically* have two X chromosomes (XX), and males typically have one X and one Y chromosome (XY).
It is the contribution of the male during fertilization that determines the genetic sex of the offspring.
- If a sperm carrying an X chromosome fertilizes an egg, the resulting combination is XX, leading to a female offspring.
- If a sperm carrying a Y chromosome fertilizes an egg, the combination is XY, resulting in a male offspring.