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24 Cards in this Set
- Front
- Back
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Gametes |
Sex cells |
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Fertilization |
The union of sperm and egg |
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Zygote |
A fertilized egg |
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XX |
Female |
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XY |
Male |
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2 sets of chromosomes |
Homologous Chromosomes |
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Diploid |
There are 2 of each kind of chromosomes in each cell |
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Somatic cells |
Body cells |
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Autosome |
The chromosomes that control the expression of these cells |
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Spermatogenesis |
Producing sperm cells |
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Oogenesis |
Producing egg cells |
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Non disjunction |
When chromosomes or sister chromatids fail to separate diving anaphase |
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Trisomy 21 |
No disjunction of the 22st pair of chromosomes causes Down syndrome |
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Aneuploidy |
The condition where a cell has either an extra chromosomes or is a missing one |
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Recombinant |
The chromosomes formed by crossing over a new “combination” of a genetic material |
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Edwards syndrome |
Patient has 47 chromosomes one extra 18th chromosome. Low set and malformed ears, small mouth, and a nose, malformed organs, cognitive disabilities, love survival rate after 6 months. |
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Klinefelter’s syndrome |
Has 47 or 47+ chromosomes. One to serval extra X or Y chromosomes. Male Small testes, female-like breast, sterility, female voice and development disabilities |
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Patau’s syndrome |
47 chromosomes one extra 13th chromosomes Deafness, cleft palate, cognitive disables, and low survival rate 3 months |
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Turner syndrome |
Has 45 chromosomes one of the sex chromosomes is missing often classified as XO female Short stature, swelling, broad chest, heart disease, how hairline, low set-ears and webbed necks |
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Extra Y chromosomes |
47 chromosomes one extra Y chromosomes male Tall, tendency of aggressive in behavior and many have cognitive disabilities |
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P generation |
Parental generation |
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F1 generation |
First generation of offspring |
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F2 generation |
Second generation of offspring |
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Hybrids |
The offspring of parents with different traits |
