Hairlessness in dogs is inherited from a single dominant allele. Inheriting two dominant alleles is lethal for an embryo. Penelope, a hairless dog mates with Arnold, a dog with hair. The probability Penelope will have hairless puppies is


A) 3/4.

B) 2/3.

C) 1/4.

D) 1/2.


D) 1/2.

Biology & Microbiology

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You are studying cell cycle progression in yeast cells. If you could prevent cdc2 from associating with the mitotic cyclin, the cells would:  

A.  arrest in G1. B.  arrest in G2. C.  arrest in S. D.  arrest in prometaphase. E.  arrest in metaphase. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content   · What do you know about cdc2/cyclin complexes? How does it relate to the question?   Consider Possibilities     · What other information is related to the question? Which information is most useful?   Choose Answer   · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process   · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Which of the following is not associated with genital herpes?

A. Recurring genital lesions B. Cervical cancer C. Congenital herpes D. Miscarriages

Biology & Microbiology

The fruit wall, or pericarp, develops from the ____

a. ovary wall b. petals c. seed coat d. endosperm e. receptacle

Biology & Microbiology

A(n) ________ is a type of cancer-causing gene that promotes cancer by activating cell division at an inappropriate time or place.

A) DNA repair gene B) tumor suppressor gene C) oncogene D) teratoma

Biology & Microbiology