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inheritance.

QuestionAnswer
A mule is the result of a cross between a donkey and a horse. A mule is a ? hybrid
if a pea plant alleles for height are tt, what is true of its parents ? Both parents contributed a recessive allele.
A heterozygous tall pea plant is crossed with a short plant. The probability that an F1 plant will be tall is ? 50%
organisms that have two identical alleles for a particular trait are said to be ? homozygous
in a punnet square that has a cross od TT and Tt , what are the chances of the offspring being tall ? All are expected to be Tall .
If a pea plant is heterozygous for round, yellow peas (RRYy) how many different phenotypes are their offspring expected to show ? 2
Gregor Mendel's principle of genitics apply to: all organisms
Roan cattle show codominance for the color of hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead ? It would be pink .
Situations in which one allele for a gene is not completely dominant over another allele for that gene are called ? incomplete dominance
A cross of a black chicken (BB) with a white chiken (WW) produces all speckled offspring (BW). This type of inheritance is known as ? codominance
Variation in human skin color is an example of : polygenic traits
Which of the following supports the claim that the enviroment can affect genetic traits ? Hydrangea flower color varies with soil pH.
If an organism's diploid number is 12, its haploid number is ? 6
Gametes have : one allele for each gene .
According to the punnet square that crosses a female and male. what is the approximate probability that a human offspring will be female ? 50%
A human female inherits two copies of every gene located on the X chromosome.
How many chromosomes are shown in a normal human karyotype ? 46
Colorblindness is more common in males than in females because the allele for colorblindness is : Recessive and located on the X chromosome.
Colorblindness is more common in males than in females because the allele for colorblindness is : Recessive and located on the X chromosome.
Human males have : one X and one Y chromosome .
Human males have : one X and one Y chromosome .
what pairs of genotypes result in the same phenotype? IB,IB and IB,i
If a man with blood type A and a woman with blood type B produce an offspring, what might be the offspring's blood type ? A , B , AB , or O
what pairs of genotypes result in the same phenotype? IB,IB and IB,i
In a pedigree what does an circle stand for : female
If a man with blood type A and a woman with blood type B produce an offspring, what might be the offspring's blood type ? A , B , AB , or O
In a pedigree what does an circle stand for : female
The trait in Pedigree has to alleles P (dominant) and p (recessive).The black symbols show the dominant phenotype. What is the genotype of indivial number 1 if its a filled in square ? Pp
If the allele for having a white forelock is dominant, family members without a white forelock are : Homozygous recessive
Shaded symbols reperesent afflicted people. Males are squares , woman are circles If the trait is a sex-linked trait carried on the X chromosome, what is true about the mother representedby circle one which is blank but one of her offspring has the trait? She has one allele for the disorder.
Created by: Josselyn Torres on 2011-11-14



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