A cross of two Kerry horses always produces Kerry. A cross of a Kerry with a Dexter horse produces

1/2 and 1/2. Crosses of two Dexters produce two Dexters for every Kerry. Explain. What will be an ideal response?


Kerry is homozygous (DD), Dexter is heterozygous (Dd), dd is lethal

Biology & Microbiology

You might also like to view...

The plant commonly called “hen and chicks” is a plant that reproduces by budding. A mature

individual (the hen) produces many smaller clones of itself via budding (the chicks). This is an example of __________.

a. asexual reproduction b. parthenogenesis c. fragmentation d. sexual reproduction

Biology & Microbiology

Which of the following has a gut with two openings,

a mouth, and an anus? a. cnidarians b. annelids c. flatworms d. sponges e. placozoans

Biology & Microbiology

Cyanogenic glycosides, which break down into cyanide, are toxic to cells because they inhibit the function of which organelle(s)?

A. Mitochondria B. Ribosome C. Nucleolus D. Endoplasmic reticulum E. Golgi apparatus

Biology & Microbiology

Our environmental problems can be solved by

A. public education. B. proper assessment of the problem. C. follow-through. D. All of these.

Biology & Microbiology