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A women who has normal vision marries a man who had normal vision. They have s on that is color blind. What are the possible genotypes of the child's mother and father?
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
The genetic make up of an organism is called
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
In a co-dominant cross, a black chicken is crossed with a balck and white chicken. What are the possible genotypes that can be produced?
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
Two plants are crossed, resulting in offspirng with a 3:1 ratio for a particular trait. This suggests
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
In cattle, roan coat color is a mixture of red and white hair. Red cattle are (RR) and white are (rr). Which of the following crosses would produce a 1:2:1 ratio?
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
When crossing an organism that is homozygous recessive for a single trait with a heterozygote, what is the chance of producing an offspring with the homozygous recessive phenotype?
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
Human females produce egg cells that have
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
If a women has type A blood, and a man has type B blood what are the possible genotypes of their offspring?
genotype
50%
one X chromosome
the parents were both heterozygous
roan X roan
X^BX^b, X^BY
A, B, AB and O Blood
black and black & white
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