Biology help??

1. Which of the following states that heritable factors (genes) retain their identity generation after generation?


a. blending hypothesis of inheritance


b. principle of independent assortment


c. principle of segregation


d. particulate hypothesis of inheritance





2. Which term describes an individual with two identical alleles for aparticular character?


a. homozygous


b. heterozygous


c. dominant


d. recessive





3. If you want to know the genotype of a pea plant that has purple flowers, which would you perform?


a. dihybrid cross


b. genetic linkage


c. Punnett square


d. testcross





4. What is the predicted phenotypic ratio of the F2 generation of a dihybrid cross?


a. 1 : 3 : 1


b. 3 : 9 : 1 : 1


c. 1 : 9 : 9 : 1


d. 9 : 3 : 3 : 1





5. AB blood type in humans is a result of


a. intermediate inheritance.


b. codominance.


c. sex-linked inheritance.


d. environmental effects.





6. The farther apart the alleles for two genes are on the same chromosome, the more likely they are to


a. separate during meiosis.


b. stay together during meiosis.


c. be inherited only by male offspring.


d. both be recessive.





7. How many alleles for a sex-linked (X-linked) gene does a male carry?


a. four


b. one


c. none


d. two

Biology help??
1. c(not sure)


2.a(sure)


3.c(sure)


4.can't be answered because there is no pic given


5.b(not sure)


6.d(sure)


7.not sure

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