Sex linked traits pedigree worksheet
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Sex linkage applies to genes that are located on the sex chromosomes. These genes are considered sex-linked because their expression and inheritance patterns differ between males and females. While sex linkage is not the same as genetic linkage , sex-linked genes can be genetically linked see bottom of page. Sex chromosomes determine whether an individual is male or female.
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Sex-linked traits and pedigrees?
Solving Genetics Problems involving sex-linked alleles (interactive tutorial) – sciencemusicvideos
Humans have 23 pairs of chromosomes for 46 total. One pair is linked to sex. Males have XY sex chromosomes while females have XX. One X chromosome is inactivated in females, forming a Barr body. Pedigrees help track genetic inheritance, especially in the case of genetic disorders. These diagrams show a family tree along with the individuals that carry the phenotype for a particular trait.
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Sex Linked Traits Worksheet Answers
In the diploid genome of human beings, there are 46 chromosomes, 44 of which are autosomes and two of which are sex chromosomes. The individual inherits one of these chromosomes from each parent. The human sex chromosomes are called the X chromosome and Y chromosome.
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