Trait Inheritance, 8.MS-LS3-4(MA) Question Preview (ID: 53478)
8.MS-LS3-4(MA).
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If your genotype is Aa, what trait would you show?
a) the recessive trait
b) the dominant trait
c) the heterozygous trait
d) the mother's trait
In a cross of two heterozygous parents, what is the probability of having homozygous recessive offspring?
a) 25%
b) 50%
c) 75%
d) 100%
A purple flower, PP, is crossed with a white flower, pp. What is the probability of getting offspring with white flowers?
a) 100%
b) 50%
c) 25%
d) 0%
A purple flower, PP, is crossed with a white flower, pp. What is the probability of getting offspring with purple flowers?
a) 100%
b) 50%
c) 25%
d) 0%
Which parent determines of genetic sex of offspring?
a) the mother
b) neither
c) the father
d) both
In a pedigree, ____ are used to represent males and ___ are used to represent femals
a) circles, squares
b) circles, triangles
c) squares, circles
d) triangles, squares
In x-linked recessive traits, who are usually the carriers?
a) females
b) males
c) both can be carriers
d) trick question: there are no carriers
If freckles are dominant over no freckles, which of the following genotypes would lead to no freckles
a) BB
b) Bb
c) bB
d) bb
The ___ determines the ___
a) trait, gene
b) phenotype, genotype
c) genotype, phenotype
d) gene, allele
How many chromosomes do we typically see in a human?
a) 23 pairs of chromosomes
b) 46 pairs of chromosomes
c) 23 female chromosomes and 23 male chromosomes
d) 23 individual chromosomes
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