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What is 1 + 3?
life science week 4&5
sexual reproduction results in what?
genetic variability, or diversity, which is important to the survival of species
sex cell reproduce
egg and sperm cells
genetic make up, what is inherited from parents
units of inheritance
genes own specific location on a chromosome
condensed genetic material
how many chromosomes does every cell have?
how many chromosomes does every sex cell have?
copy of a chromosome
each allele holds a different version of the same genetic material
where a pair of chromosomes is joined together
how many chromosomes does a human have?
22 pairs of chromosomes, determine how your body is made
genetic expression of your genes
genetic make up tells about you
which genes are more likely to be expressed
traits need 2 copies in order for it to be expressed
receive same type of gene from both parents
receive one dominant gene from one parent and one recessive gene from the other
inherit dominant genes from both parents
inherit recessive genes from both parents
used to asses genotype of offspring or determine probability of having a certain phenotype
determine if you will be male or female
what are the female chromosomes?
what are the male chromosomes?
due to a mutation in which there are 3 copies of chromosome #21