Biology Chapter 9
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Mendel’s law of segregation describes the:
inheritance of a single character.
Genes are found in alternative versions called ________
For each characteristic, an organism inherits two alleles, one from each parent; the alleles can be the same or different
A homozygous genotype has_____ _____.
A heterozygous genotype has two _______ _______
Mendel’s law of segregation describes the inheritance of a single _______.
If the alleles differ, the ______allele determines the organism’s appearance, and the recessive allele has no noticeable effect
Law of ________: Allele pairs separate (segregate) from each other during the production of gametes so that a sperm or egg carries only one allele for each gene.
Crossing over of _______ chromosomes leads to production of recombinant gametes & increased variability in offspring.
Crossing over of homologous chromosomes leads to production of recombinant gametes & increased variability in offspring.
BUT it is very important to know that genes on the _______ _________ tend to be inherited together
__________: expressed traits of an organism; what you can see
_________:the genetic make-up of an organis
Mendel’s law of _______ ______ describes the inheritance of more than one character at the same time.
Mendel’s law of independent assortment describes the inheritance of more than one character at the same time.
Each pair of _______ segregates independently of the other pairs of ________ during gamete formation.
Incomplete dominance is:
Combination of the dom and ressessive gene where both have a part, like red and white make a pink flower.
_______- single gene controls multiple characteristicsi.e. mutated gene causing sickle cell anemia
______ _______- multiple genes control a single characteristici.e. 6 genes for determination of skin color
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