Choose one of the basic patterns of Mendelian inheritance and draw and explain a three-generation family pedigree

illustrating that pattern. What will be an ideal response?


ANSWER: Answers will vary. Here is one example:This
is a pedigree for a rare autosomal recessive trait. In this pedigree, most affected
individuals have normal parents, and there is a 75% chance that a child will be unaffected
and a 25% chance that a child of heterozygotes will be affected. Sexes are affected in roughly
equal numbers.![2240|476x246](upload://5l4MfLM9u8coXvttuYpAIMmk7t4.png)

Biology & Microbiology

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Which of the following statements is true regarding the RNA of plant viruses? Select all

A. Outside of replication, the RNA of plant viruses is typically single-stranded. B. Outside of replication, the RNA of plant viruses is typically double-stranded. C. Plants cleave viral double-stranded RNA to form small-interfering RNAs. D. Plants cleave viral single-stranded RNA to form small-interfering RNAs. E. Plant viruses contain only single-stranded DNA, not RNA.

Biology & Microbiology

The cascade of enzyme reactions that ends in clot formation is begun by ________

a. the exposure of collagen in the damaged vessel wall b. albumin contacting the basement membrane c. the conversion of fibrinogen to fibrin d. exposure of blood to air

Biology & Microbiology

The ________, first proposed by Francis Crick, summarizes the relationships between DNA, RNA, and protein

Fill in the blank(s) with correct word

Biology & Microbiology

Draw a cladogram that for the following animals: sponges, cnidarians, flatworms, echinoderms,

chordates, molluscs, annelids, nematodes, and arthropods. On your cladogram indicate the points where the following evolved: 1) true tissues, 2) bilateral symmetry, 3) three germ layers, 4) segmentation, 5) protostome development, and 6) deuterostome development What will be an ideal response?

Biology & Microbiology