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6.4 science

QuestionAnswer
2 major categories of cells in your body Somatic cells and gametes
T/F somatic cells are haploid False
T/F Somatic cells have 23 pairs of chromosomes True
T/F Gametes have 23 chromosomes True
Chromosome pairs that have the same structure are what? Homologous
the process of cell division that creates diploid cells Mitosis
the process of cell division that creates haploid cells Meiosis
the process of cell division that creates genetically unique cells meiosis
the process of cell division that creates genetically identical cells Mitosis
physical characteristics that are inherited traits
pieces of DNA that provide genetic instructions to the cell genes
alternative forms of genes that occur at specific places on a chromosome alleles
specific location on a gene where alleles are found loci
2 copies of the same allele for a trait homozygous
2 different alleles for a trait heterozygous
T/F alleles can be dominant or recessive True
T/F for a recessive allele to be expressed, there must be 2 copies True
T/F if an allele combination is heterozygous, both the dominant and recessive alleles are expressed False
The genetic makeup of a specific trait genotype
the expressed physical characteristic phenotype
grid system used to predict all possible genotypes resulting from a cross Punnett square
grid system that focuses on the inheritance of a single gene monohybrid cross
T/F AA is a heterozygous allele combination False
T/F aa is a homozygous recessive allele combination True
Parents are Jj and Jj what percent of offspring will express the recessive trait? 25
Parents are PP and Pp what percent of offspring will express the dominant trait? 100
Parents are MM and mm what percent of offspring will express the recessive trait? 0
Created by: Madilyn.H
 

 



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