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inheritance.
| Question | Answer |
|---|---|
| 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
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