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Page 20 Quiz

The passing of traits from parents to offspring Heredity
Different forms of the same gene are know as Allele
How many chromosomes are present in a human sex cell 23
Found inside the nucleus that controls all cell activity DNA
Set of Instructions for charcteristics Gene
Actual inherited combination of alleles Genotype
Organism's apperance Phenotype
If two plants are crossed Tt x Tt, what is the chance of recessive trait 25%
When cell's are not dividing, What stage of cell cycle is it in? Interphase
Two functions of chromosomes Organize and Division
DNA Molecule and RNA Molecule DNA= A and T & C and G RNA= A and U & C and G
Sides of ladder and rungs are made of Sugar & Phosphate and Base
Complimentary Strand to TAGGCTA ATCCGAT
How is RNA different to DNA The shape of ladder
Purpose of Meiosis and Mitosis Make gametes and Make human cells
Gametes undergo Meiosis
Gregor Mendel contributed Heredity
Why is mitosis important? 4 steps of mitosis To replace dead body cells Prophase, Meteophase, Anaphase, Telophase
What does TT, Tt, tt, mean? TT= Dominate Homozygous Tt= Heterozygous tt= recessive Homozygous
Punnett Squares show Possibilities
Why do cells need to produce new cells To gain the lost cells
Genes are located in chromosomes
40 chromosomes in a body cells, How many chromosomes in egg 20
Created by: E10M29R00