Concept explainers
a.
To determine: The figure of parents and progeny classes from a cross PM"'/ pM' x pM'/pM"".
Introduction: A PCR banding pattern is shown for a family with six children, and this pattern is interpreted at the top of the illustration with the use of four differently sized molecular "alleles;· M' through M"". One ofthese markers (M") is probably linked in cis configuration to the disease allele P.
b.
To determine: There no M'M" individuals in the progeny.
Introduction: A molecular marker is a molecule contained within a sample taken from an organism or other matter. It can be used to reveal certain characteristics about the respective source.
c.
To determine: The exceptions to the rule that P is associated with M".
Introduction: An allele is a variant form of a given gene, meaning it is one of two or more versions of a known mutation at the same place on a chromosome.
d.
To determine: The two DNA bands shown for each progeny individual.
Introduction: The molecular marker "alleles" are detected using a technique called the polymerase chain reaction (PCR). For now, simply recognize that PCR allows different numbers of tandem repeats to be detected as differently sized products on an electrophoretic gel
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Chapter 4 Solutions
ACHIEVE:INTRO TO GENETIC ANALYSIS 1TERM
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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