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neonofarm [45]
3 years ago
7

Norah observes some velvet-green growth on a tree trunk. When she picks up one of these plants, she notices that the plant has a

flattened body and is attached to the tree trunk by means of root-like structures. What is the plant?
Biology
2 answers:
exis [7]3 years ago
3 0
Probably Moss...(my guess) 
Dvinal [7]3 years ago
3 0
Bryophyte thallus with rhizoids
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What are the chances a<br> heterozygote passes on<br> either a dominant or<br> recessive allele?
melisa1 [442]

Answer:

A parent with one copy of a dominant allele and one recessive coded Ww for the widow's peak  is called heterozygous for a trait and has a 50 percent chance of passing on the dominant allele to each of his or her offspring, regardless of the gene inherited from the other parent.

Explanation:

hope this helps in some way sorry if it does not

5 0
3 years ago
A boy jumps into a cold swimming pool and his body temperature goes down. His muscles, blood vessels, and nervous system work to
777dan777 [17]
I think you can choose respiration. Because
5 0
3 years ago
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Would you expect a region of the body with greater sensory acuity to have cutaneous receptors with large receptive fields, or sm
AfilCa [17]

Yes! a region of the body with greater sensory acuity to have cutaneous receptors with large receptive fields, or small receptive fields.

The sensory receptor located in the skin is known as a cutaneous receptor ( the dermis or epidermis). The somatosensory system includes them. Mechanoreceptors (pressure or distortion), nociceptors (pain), and thermoreceptors are cutaneous receptors (temperature). The lowest spatial resolution is found in the thigh and calf area, whereas the fingertips have the highest spatial resolution (and the smallest receptive fields) (and largest receptive fields). Two-point discrimination threshold measurements can be used to assess the spatial resolution in response to light touch stimuli.

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7 0
1 year ago
In a laboratory, an albino mouse was treated with a chemical, resulting in a somatic mutation that induced a skin tumor. The mou
Len [333]
Answer G. The progeny would be normal because the mutation was somatic, occuring in body cells, not sex cells.
3 0
3 years ago
A population of 150 individuals has an allele frequency of 0.2 for the dominant allele (H) and a frequency of 0.8 for the recess
Amanda [17]
Hardy-Weinberg Equation (HW) states that following certain biological tenets or requirements, the total frequency of all homozygous dominant alleles (p) and the total frequency of all homozygous recessive alleles (q) for a gene, account for the total # of alleles for that gene in that HW population, which is 100% or 1.00 as a decimel. So in short: p + q = 1, and additionally (p+q)^2 = 1^2, or 1
So (p+q)(p+q) algebraically works out to p^2 + 2pq + q^2 = 1, where p^2 = genotype frequency of homozygous dominant individuals, 2pq = genotype frequency of heterozygous individuals, and q^2 = genotype frequency of homozygous recessive individuals.
The problem states that Ptotal = 150 individuals, H frequency (p) = 0.2, and h frequency (q) = 0.8.
So homozygous dominant individuals (HH) = p^2 = (0.2)^2 = 0.04 or 4% of 150 --> 6 people
Heterozygous individuals (Hh) = 2pq = 2(0.2)(0.8) = 0.32 or 32% of 150
--> 48 people
And homozygous recessive individuals (hh) = q^2 = (0.8)^2 = 0.64 = 64% of 150 --> 96 people
Hope that helps you to understand how to solve these types of population genetics problems!
6 0
3 years ago
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