9477 / 2027

Inheritance and genetic problems

Try it without your notes

Choose an answer or explain your thinking. Then check what you understand.

Quick checks

0 checked / 0 correct. You can change an answer and try again.

Try a question

Which describes two genes at different loci on the same chromosome?

Try a question

Which tester is used to reveal gametes from AaBb?

Try a question

How many ABO alleles does an IA IB individual normally carry?

Try a question

P(affected | son) = 1/2 and P(son) = 1/2. What is P(affected son)?

Try a question

Which are recombinant gametes from an AB/ab parent?

Try a question

Which genotype is brown in the stated two-step pathway?

Try a question

What does queen/worker differentiation illustrate?

Explain your thinking

Write a short answer, then compare it with a sample and check for missing ideas.

Question 1 of 6

Calculate a dihybrid probability

AaBb x AaBb involves independent loci with complete dominance. Find P(A_bb), the expected number among 160 offspring, and explain why the observed count need not match.

Solve each locus then combine.

Loading saved work...

0 / 6000
Ctrl / Cmd + Enter

Use the checklist to compare your answer. This is a self-check, not an exam mark.

Keep one idea for tomorrow

Try a question again without looking at the answer. If you get stuck, revisit its lesson.

Open the chapter summary