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biology 0610printed 238 · PDF 238
328 pagesrevision 46933
printed 238 · PDF 238
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A Xallele
B Xchromosome
C Yallele
DY chromosome
Which structure will be found in the nucleus of a body cell in a woman?
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Owners of successful race horses hope that the horses’ offspring will be like their parents.
How does a young race horse inherit its characteristics?
A equally from its mother and father
B~ mainly from its father
C_ mainly from its mother
D
passed across the placenta
7.
In pea plants the allele for tall, T, is dominant to the allele for dwarf, t.
Which cross would produce plants in the proportion of 1 tall: 1 dwarf?
A TTxTt B TtxTt Cc Ttxtt D ttxtt
8.
What are alleles?
A apair of chromosomes
B_ different versions of the same gene
C the total number of genes on one chromosome
D
two genes side by side on the same chromosome
baad
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