Recombination frequencies obtained from experimental crosses can be used for which of the following?

a. determining the sex of the individual
b. building a linkage map for a chromosome
c. predicting the type of chromosomal defect

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only