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pantera1 [17]
3 years ago
7

How do pedigrees show traits?

Biology
1 answer:
Valentin [98]3 years ago
5 0

Answer:

By analyzing a pedigree, we can determine genotypes, identify phenotypes, and predict how a trait will be passed on in the future. The information from a pedigree makes it possible to determine how certain alleles are inherited: whether they are dominant, recessive, autosomal, or sex-linked.

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Three genes (A, B, and C) at three loci are being mapped in a particular species. Each gene has two alleles, one of which result
Mashcka [7]

Answer:

The correct answer is:

D. Gene A is assorting independently of genes B and C, which are linked.

Explanation:

According to the text it is possible to deduce that the first allele of gene A appears with allele of gene B or C half of times. On the other side alleles of genes B or C appear at the same time in 14.4% of the cases. This information shows how A is and independent variable and how B and C are related as they appear together as well.

3 0
3 years ago
What type of ion channels in the membrane of neurons open or close in response to a neurotransmitter binding to its receptor
bagirrra123 [75]

An ion channel in the membrane of neurons which <u>open or close</u> in response to a neurotransmitter that binds to its receptor is called:  ligand-gated channel.

<h3>What is an action potential?</h3>

An action potential can be defined as a sudden, fast change in electrical (voltage) potential with respect to the transmission of an impulse to a receptor, across a cellular membrane such as:

  • A nerve cell
  • A muscle cell

<h3>What is a neuron?</h3>

A neuron is a nerve cell that is saddled with the responsibility of transmitting electrical impulses down an axon across a cellular membrane of the body of a living organism through an action potential.

In Science, a ligand-gated channel is a type of ion channel in the membrane of neurons which <u>open or close</u> in response to a neurotransmitter that binds to its receptor.

Read more on neurons here: brainly.com/question/13076783

4 0
2 years ago
What only happens during a chemical reaction?
goldenfox [79]
B. New substances are formed. In a chemical reaction, the starting molecule must be changed or turn into another. For example: rusts that form in a tin can is a chemical reaction. The iron in the can combines with the oxygen in the atmosphere, creating rust (iron oxide), which is a different substance.
5 0
3 years ago
Which statements describe steps in photosynthesis? Select 3
Pepsi [2]

Answer:

Light energy is absorbed by chlorophyll. C

Explanation:

4 0
3 years ago
Read 2 more answers
Complete the phrase below. Each member must contribute one complete sentence. The words prokaryotic and eukaryotic must be used:
ankoles [38]

Answer/Explanation:

All cells are not the same because not all cells contain membrane-bound organelles.

Prokaryotic cells lack membrane-bound organelles. In contrast, eukaryotic cells contain membrane-bound organelles like an endoplasmic reticulum, lysosomes, and importantly, a nucleus.

The nucleus is where genetic information (DNA) is stored. However, it is only present in eukaryotic cells. Prokaryotic cells do not possess a nucleus, the DNA is found in the cytoplasm.

8 0
3 years ago
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