#Question id: 26589
#Unit 3. Fundamental Processes
#Question id: 26787
#Unit 8. Inheritance Biology
In the S phase of meiotic interphase, each chromosome replicates, producing two copies of each allele, one on each chromatid, the homologous chromosomes segregation takes place in__
Which of the following statements is correct about the segregation of chromosomes?
a.If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase II and are identical
b. If crossing over has taken place, the two chromatids are no longer identical, and the different alleles segregate in anaphase II
c. If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase I and are identical
#Question id: 26788
#Unit 8. Inheritance Biology
Which of the following factors did not contribute to Mendel’s success in his study of heredity?
a.His use of the monoecious pea plant
b.His study of plant chromosome
c.His adoption of an experimental approach
d.His use of mathematics
e.The Plant use is easy to cultivate
#Question id: 26789
#Unit 8. Inheritance Biology
#Question id: 26790
#Unit 8. Inheritance Biology
Assuming that the A, B, C and D genes are not linked, the probability of a progeny being AaBBccDd from a cross between AABbccDd and aaBBccDD parents will be
#Question id: 26791
#Unit 8. Inheritance Biology
There are four genes which control the phenotype and assort independently such as A, B, C and D. If the genotype Aa Bb Cc Dd is selfed then what is the probability for progeny which shows the dominant phenotype for AT LEAST ONE of phenotypes controlled by
genes A, B, C and D?