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kirza4 [7]
3 years ago
6

A student wants to prove that amphibians appeared on earth before birds. which of these would provide the most reliable informat

ion about the periods when amphibians and birds appeared on earth? fossils animal size animal color feeding habits
Biology
1 answer:
Wewaii [24]3 years ago
5 0

A student wants to prove that amphibians appeared on earth before birds. The student should use the fossil findings as evidence to provide the most reliable information about the periods when amphibians and birds appeared on earth. Fossils would throw light on the internal body structures that bear the closest similarity to either the amphibians or the birds. The radiocarbon dating of the fossils will reveal its age. This can be used to figure out the time of divergence of the two types.

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If both parents contribute identical versions of a gene, then the offspring are ______ for that gene.
elena-14-01-66 [18.8K]

Homozygous is the condition that the offsprings would have, if both their parents contribute identical versions of a gene.

<h3>What is the difference between homozygous and heterozygous ?</h3>
  • Homozygous and heterozygous are terms that are used to describe allele pairs.
  • Individuals carrying two identical alleles (RR or rr) are known as homozygous.
  • Individual organisms bearing different alleles (Rr) are known as heterozygous.
  • Homozygous produce only one type of gamete whereas heterozygous produce two types of gametes.

To know more about homozygous trait refer :

brainly.com/question/11602235

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6 0
1 year ago
Lee and Celia are lab partners. While Celia pours a chemical into a graduated cylinder, some of the chemical splashes onto her a
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She should immediately tell an adult near her or she can got to the sink and wash it quick. <span />
6 0
3 years ago
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What is the goal of meeting economic and human needs?
frez [133]

Answer:

To fulfill the people.of america

5 0
3 years ago
If two tabby cats are crossed with each other, what is the likelihood that they’ll have a tabby kitten? a black kitten?
scoray [572]

Answer:

100% Tabby Cat.

For Kitten depends on the color.

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Did the teacher give you the color of the tabby cats? This question can't be answered unless the colors of the cats are provided!

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3 years ago
Which of the following is the most likely description of a trait which shows up rarely in a family tree equally in both sexes an
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Answer:

The correct answer will be option-A

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In the pedigree analysis, the description of a trait help shows the relation of a trait linked to a gene.

The pedigree analysis is usually used to determine the heredity of a disease in a family which has been described in the question also as

1. The trait is rare and present in both sexes- this shows that it is independent of sex chromosomes and since is rare is recessive.

2.  A consanguineous mating- mating between close relative which result in autosomal recessive trait as the genes for the trait must be present on both the parents which happen only when they are closely related.

Thus, option-A is the correct answer.

7 0
3 years ago
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