Genes for specific traits (e.g., hair color) are located at specific spots on a chromosome. Is it possible for a maternal allele for blonde hair to be switched to the paternal chromosome of the homologous pair during meiosis?

What will be an ideal response?


Yes, genes on maternal and paternal chromosomes of a homologous pair can be switched during the process of crossing over during prophase I of meiosis.

Biology & Microbiology

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Who of the following provided the evidence needed to discredit the concept of spontaneous generation?

A. Koch B. Pasteur C. Semmelweiss D. Lister

Biology & Microbiology

Which component of a nephron receivers the glomerular filtrate directly from the glomerular capsule?

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Which of the following is NOT true concerning umbilical arteries?

a. There are two of them. b. They carry oxygen-poor blood. c. They take blood from the fetus to the placenta. d. They are housed in the umbilical cord. e. They carry blood that is rich in nutrients.

Biology & Microbiology

In a lichen, ________ produce sugars for the fungal partner

Fill in the blank(s) with correct word

Biology & Microbiology