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Question

1. What does the notation TT mean to geneticists?
a.) two dom. alleles < My answer
b.) heterozygous alleles
c.) at least one dom alleles
d.) one dom. and one recessive allele

2. An organism's genotype is
a.) its physical appearance
b.) its combo. of alleles < My answer
c.) the mutations it inherits
d.) the crossing over that occurs during meiosis

3. An organism's phenotype is
a.) its physical appearance
b.) its combo. of alleles < My answer
c.) the mutations it inherits
d.) the crossing over that occurs during meiosis

4. What occurs during meiosis but not during mitosis?

5. What is the probability of two tall pea plants, heterozygous for the tall alleles, producing a short pea plant?

8. Scientist believe cancer occurs when