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romanna [79]
3 years ago
10

A lizard with a striped tail and a normal head crossed with one having a normal tail and a spotted head produce all normal (no s

tripes or spots) F1 progeny. What progeny would be expected to be produced by mating either of the parental lizards with another that had a striped tail and spotted head, if the genes conferring stripes and spots were close together on the same chromosome?
Biology
1 answer:
mel-nik [20]3 years ago
4 0

Answer:

9 normal : 3 striped : 3 spotted : 1 striped and spotted

Explanation:

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A cousin who has been traveling overseas sneaks a plant through customs (who help along with the USDA, help to prevent invasive
Reil [10]

Answer and Explanation:

Invasive species are not native to an ecosystem/environment to which they've been introduced, which can cause disastrous disruptions to various food chains/webs and other native species' populations.

In this case, your cousin is bringing in a plant from overseas, so it clearly will be an invasive plant. You can tell them the following:

- this plant may take over the feeding source of native plants, causing those populations to decrease drastically or possibly even be wiped out

- secondary consumers that had once relied on those native plants for food energy will now have limited resources, competition will increase, and these consumers may begin to die off

- tertiary consumers that consumed these secondary consumers will begin to die off, as well

- this chain reaction will ripple through the entire food chain and food web, and totally disrupt the existing ecosystem

Thus, your cousin shouldn't plant this organism in their backyard and should instead destroy it.

6 0
3 years ago
_____ is the way an individual's genotype is expressed in observable and measurable characteristics.
maw [93]
Phenotype

Genotype makes up the genetic constitution of an individual. (Cannot observe with the naked eye)
6 0
3 years ago
What 4 things are attached to the center carbon in an amino acid?
Alinara [238K]

The carbon attached to the alpha carboxyl and the alpha amino group is known as the alpha carbon. 2. All amino acids except glycine have four different groups attached to the alpha carbon. As a result, all amino acids have at least one asymmetric center (the alpha carbon).

3 0
3 years ago
If you walk through a busy crowd and feel a few different people bump and push past you as they walk by, which skin receptors wo
Likurg_2 [28]

Answer:

Mechanoreceptors would be activated

Explanation:

The skin is a complex organ that is found covering the entire surface of the human body. The mechanoreceptors are responsible for the sense of touch, that is, the capture of pressure on the skin. They are the Meissner corpuscles and the Vater-Pacini corpuscles, which are made up of nerve endings and connective tissue, in other words, they are receptors that are stimulated by muscle contraction and pressure on the joint elements. It allows to know the position of the body and the degree of contraction of the muscles.

5 0
3 years ago
A scientist was observing an unknown slide under an electron microsocope; he found a cell without a well-defined nucleus but wit
Blababa [14]
Let's eliminate this one by one.

Animal cell does not have walls. So we can eliminate The third option.

Plant cells does have walls, but they also have well-defined nucleus. So we can eliminate the second option

The leave : A. Prokaryotic as the answer

hope this helps


8 0
3 years ago
Read 2 more answers
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