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Assume that the connected earlobes are a recessive trait with 73% penetrance. the parents are heterozygous and homozygous recessive for the attached earlobe gene. what is the probability that their first child will have attached earlobes?
A man and a woman both have polydactyly (i.e., six fingers on each hand), a trait which is determined in this example by a single gene. They have four children, none of whom have polydactyly. What is the probability thei ...
1. Keeping in mind that lying is stressful, what externally detectable signs might a lie detector identify, assuming it reliability? 2. What would be the effect on the circulatory system if a person received a massive do ...
All cells on Earth use mRNA to make protein rather than using DNA directly. Why is it more advantageous to make protein from mRNA rather than directly from DNA in prokaryotic cells?
Parents were concerned about their 16-year-old son for the following reasons: he had no deepening of his voice, scanty pubic and axillary hair growth, absence of beard and mustache growth, small penis, poor muscular deve ...
Lake Stratification: How does heat affect the tripariat thermal structure of a lake (epiliminion, thermocline and hypolimnion) during the summer and does the application of wind change this?
Please Help me with these questions: 1. Describe how sex is determined in humans 2. Describe what sex linkage is and give an example 3. Define dosage compensation. 4. Define nondisjunction and describe a scenario in whic ...
PLEASE SOLVE THE PROBLEMS WITH "correct" answers, instead of just writing answers. THANKS! (1) Halophytes are plants that live in moist soils with high salt concentrations. Despite being surrounded my water, halophytes a ...
Generally, aneuploidies are caused by the impaired assortment of chromosomes during meiosis. For example, they are caused when the homologous chromosomes of pair 21 do not separate and, therefore, gametes with two chromo ...
Identify the waveforms in a normal electrocardiogram (ECG), and relatethe ECG waveforms to atrial and ventricular depolarization andrepolarization and to the activity of the conduction system.
What do we call the transfer of pollen grains from anther to the stigma in plants?
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