Lobe-finned fishes are characterized by lobes in their fins in addition to the basic characteristics of fishes.
<h3>What are lobe-finned fishes?</h3>
Lobe-finned fishes are a group of fish known as Sarcopterygii. They possess the basic characteristics of fishes such as swim bladder, lateral lines, etc.
They are a sister group of ray-finned fishes. In addition, lobe-finned fishes possess the following characteristics:
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in reproductive cloning , researchers remove a mature somatic cell such as a skin cell from an animal that they wish to copy .
they transfer the DANA of the donor animals somatic cell into an egg cell , or oocyte that has had animal is referred to as a clone
Answer:
C. Chlamydia. is the correct answer.
Explanation:
Chlamydia is a bacterial sexually transmitted disease, caused by obligate intracellular Chlamydia trachomatis.
In the life of chlamydia, there are two stages of developmental(Reticulate and elementary bodies are two forms of Chlamydia.)
The elementary body is the infectious substance, they are non replicating and have a rigid outer membrane that binds to the receptors present on the host cell and it initiates the infection and due to the rigid outer membrane there, no fusion between the phagosome and the lysosome hence oppose the intracellular killing.
Reticulate bodies are the metabolically active form of a chlamydia and non-infectious.
Answer:
1. BB x bb
2. 100% black
Explanation:
Heterozygous offspring would have the genotype Bb. In order to produce offpsring that are 100% heterozygous, that means each parent must be homozygous. Therefore, the genotypes of the parents are BB (black rabbit) and bb (white rabbit). See punnet square attached.
The phenotype refers to the expression and display of the genotype. We will assume that because black is denoted by a capital B, and white by a small b, that black is the dominant allele. Therefore, if 100% of the offspring have the genotype Bb, then 100% of the offspring have the phenotype of black fur.
