1. Draw a Punnett Square which shows the inheritance of the sex chromosomes. Represent the female sex chromosomes with XX and the male sex chromosomes with XY.
1. Determine the Genotypic and Phenotypic ratio.
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1. Determine the Genotypic and Phenotypic ratio.
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nonsense answer - report.
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Sex Chromosome
The sperm contains half the X chromosome and half the Y chromosome. If the sperm carries an X chromosome, it will fuse with the egg's X chromosome to form a female zygote. If the sperm carries a Y chromosome, it will produce a male. The following is the inheritance of sex chromosomes.
XX (female) x (male) XY
(illustrated in the picture of Punnett square below)
Chromosomes function in the process of cell division. Chromosomes have a function so that DNA remains in place during cell division so that it can be divided perfectly. Chromosomes also play a role in the process of DNA duplication to run properly. Based on the location of the chromosomes in the body, chromosomes are divided into two types: autosomes and gonosomes.
Autosomes have the function to regulate and control the properties of living organisms. These chromosomes do not play a role in regulating sex. Autosomes are found in male and female individuals with the same number and in pairs or diploids (2n). Gonosomes or known as sex chromosomes. Sex chromosomes have a different arrangement of pairs in male and female individuals. In humans, the number of gonosomes is one pair or haploid (n).
Sex chromosomes determine the sex of an individual. Chromosomes from the female parent are ovum and the male parent is sperm. To determine the biological sex in humans and other mammals are using a pair of sex chromosomes. XY chromosome is found in males and the XX chromosome is found in females. Gender coding occurs in sexually reproducing organisms and results in a range of gamete combination patterns that determine the characteristics of male and female organisms.
Gametes are produced by meiotic cell division, which results in the divided cell having half the number of chromosomes as the parent cell. In the case of humans, this means that the parent cell has two chromosomes and the gamete has one. All gametes in the mother's egg have an X chromosome.
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