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26 terms

Prentice Hall Biology Mrs. Polley Chapter 11

STUDY
PLAY
1.Genetics-
The scientific study of heredity.
2.Fertilization-
The male and female reproductive cells join together.
3.True- Breeding-
Produce off spring identical with themselves.
4.Trait-
A specific characteristic.
5.Hybrids-
Crosses between parents with different traits.
6.Genes-
Factors are passed from one generation to the next.
7.Alleles-
Produces tall or short genes.
8.Segregation-
The separation of genes.
9.Gametes-
specialized cell involved in sexual reproduction.
10. Probability-
The likelihood that a particular event will occur.
11. Punnett Square-
The gene combinations that result from genetic cross.
12. Homozygous-
Same alleles.
13.Heterozygous-
Different alleles.
14. Phenotype-
Physical characteristics.
15.Genotype-
No same genetic makeup.
16.Independent Assortment-
Separated independently.
17. Incomplete Dominance
Not completely dominant.
18. Codominance-
They share an equal amount of dominance.
19. Multiple alleles-
more than two alleles.
20. Polygenetic Traits-
Having many genes.
21.Homologous-
Four chromosomes have the same parent.
22.Diploid-
Two sets.
23.Haploid-
One set.
24.Meiosis-
The process of reproductive cells when the number of chromosomes is cut in half.
25.Tetrad-
Chromosomes corresponds with each homologous chromosome.
26. Crossing- Over-
They exchange portions of their chromatids.