The study of ___ which is a biological process where a parent passes certain _ onto their offspring

2 answers:

7 0

The study of heredity which is a biological process where a parent passes certain traits onto their offspring. Heredity is the passing of traits from parent to offspring from one generation to the next. Genetics on the other hand is the study of how traits are inherited through the actions of alleles (different forms a gene may have for a trait).

____ [38]4 years ago

4 0

The study of heredity which is a biological process where a parent passes certain genes (traits) onto their offspring. <span>Heredity is the process that makes variations between individuals causing the evolution of species by natural selection. Inherited traits are controlled by one or more genes The study of heredity in biology is genetics.</span>

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Analyze the pedigree shown. The trait in the pedigree above is (blank) and (blank)

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Answer:

sex-linked- recessive

Explanation:

Sex linked recessive are those traits which are expressed even if one copy of the defective allele are present. They are passed from parents to offspring through X or Y chromosomes.

These disorders are more prevalent in men than women because women have two X chromosomes while men have only one. Females can also get X-linked disorder but they are very rare because female needs two copies of defective gene to develop disorder while men need only one.

For example: As you can see in the example image the gene is passed in daughters too but mostly they are carriers but men develop disease because they have only defective X chromosome that contain defective gene and no counter part to lower its effects.

One of the common x linked disease is hemophilia. You can see the pedigree of Hemophilia that men are getting more effected than women.

Hope it help!