Genetics Question Preview (ID: 18546)
7th Grade Genetics/heredity Review.
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Which of the following is not an inherited trait?
a) hair color
b) blood type
c) broken leg
d) attached earlobe
What can be used to determine the gentic possibilities for different combinations of alleles?
a) probability
b) genetics
c) punnett square
d) pedigree chart
The scientific study of heredity is called...
a) crossing-over
b) genetics
c) pollination
d) meiosis
Who is the father of genetics?
a) Einstein
b) Mendel
c) Newton
d) None of the above
What kpercent of alleles does each parent contribute to their offspring?
a) 0%
b) 25%
c) 50%
d) 75%
What is the physical appearance for a trait?
a) genotype
b) phenotype
c) Allelle
d) none of the above
Which of the following would be homozygous?
a) BB
b) bb
c) both
d) neither
Which of the following would be heterozygous?
a) Bb
b) BB
c) bb
d) None of the above
Which disease causes red blood cells to have an unusual shape?
a) Huntingstons disease
b) the flu
c) parkinson's disease
d) sickle cell disease
What do the letters Tt mean to a geneticist?
a) homozygous alleles
b) heterogenous alleles
c) trait
d) two dominant alleles
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